Smart Video Door Bell.

A smart doorbell is a network (internet)-connected doorbell that notifies the smartphone/tablet or other electronic device of the home owner when a visitor arrives at the door. The video doorbell is also a theft deterrent sensor. 

It activates when the visitor presses the button of the doorbell, or alternatively, when the doorbell senses a visitor with its built-in motion sensors. This cool device allows you to see who is at your door from your smartphone. No matter where you are (inside alone or at work), you will know and being able to see and talk to whoever’s there, means you’ll never miss a package or an important visit.

They can also be part of your home security setup, keeping an eye on the front of your house from eye level, couple this with the door open/close sensor and thieves will avoid your house and stay away. With in-built HD cameras and real-time two-way audio systems, these modern accessories allow you to see and communicate through your smartphone. Some more advanced designs feature infrared night vision for clear round-the-clock surveillance and motion sensors with push notifications sent to your mobile when people or animals are detected.

There are several good options now for this quarter (Q4 2021), let's check them.

1.- Ring Smart Video Door Bell (2020 release).

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1080p HD video doorbell with enhanced features that let you see, hear, and speak to anyone from your phone, tablet, or PC. An update from the original Ring Video Doorbell, enjoy improved motion detection, privacy zones and audio privacy, and crisper night vision. Receive mobile notifications when anyone presses your doorbell or triggers your built-in motion sensors.  Powered by the built-in rechargeable battery or connects to existing doorbell wires for constant power. Easily setup by connecting your Ring Video Doorbell to WIFI through the Ring app and mounting with the included tools. With a Ring Protect Plan (subscription sold separately), record all your videos, review what you missed for up to 60 days, and share videos and photos. Pair with select Alexa-enabled devices to enable announcements and two-way talk for convenient in-home monitoring. Rating: 4.7 of 65,583 Ratings in Amazon.

2.- Ring Video Doorbell Wired (2021 release).

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1080p HD wired video doorbell with two-way talk, advanced motion detection, standard 2.4 GHz connectivity and customizable privacy settings. Get real-time notifications sent straight to your phone. To hear audio notifications in your home, pair with a Ring Chime, compatible Alexa device, or select the Video Doorbell Wired + Chime bundle. Note: the doorbell will not sound your existing chime. Advanced motion detection helps you know when someone’s at your front door before they ring your doorbell. Night vision with sharp contrast ensures you’ll never miss a detail – even in the dark. Hardwire Video Doorbell Wired using your existing doorbell wiring and the included tool kit for around-the-clock power and peace of mind. With a Ring Protect Plan (subscription sold separately), record all your videos, review what you missed for up to 60 days, and share videos and photos  Connect with Alexa to hear alerts on your compatible Echo device or see a Live View with an Echo device with screen. Talk to visitors by saying, “Alexa, talk to the front door.” Rating: 4.5 of 26,402 Ratings in Amazon.

3.- Arlo Essential Wired Video Doorbell.

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See More at Your Front Door. Arlo's wired security doorbell camera lets you see a person from head to toe or a package on the ground with 180-degree view. Get a Clearer Picture. HD with HDR quality footage from your video camera ensures you see the details on your devices even in low light or bright conditions. Respond Quickly. Hear and speak to visitors at your wired doorbell camera with clear two way audio or respond with pre-recorded quick reply messages when you are busy. Smarter Alerts, Quicker Action. Get Arlo Secure plan for your security cameras to receive notifications for people, vehicles, and packages so you can react quickly, right from your phone. Never Miss a Moment. See what triggered a motion before anyone tries to ring doorbell. With Arlo Foresight, the security camera captures video prior to every motion-triggered video recording so you don't miss out. Feel More Secure Seeing the Complete Picture. See who's there even at night with night vision to help you get a clear picture of who's at your door even when it's dark. Reliable Security, No Matter the Weather - The weather resistant outdoor security camera is built and certified to withstand the heat, cold, rain, or sun. Ward Off Unwanted Guests. Set the built-in siren to trigger manually or automatically during an event to make your smart doorbell a great addition to your home security system. Utilize the WIFI camera by connecting the door bell directly to Wi-Fi or pair with select Arlo SmartHubs or Base Stations (VMB5000, VMB4540, VMB4500, and VMB4000). Important installation requirements. Wired doorbell and doorbell chime requires existing electrical wiring with voltage between 16V AC and 24V AC and a 10VA Transformer Rating: 4.3 of 9,792 Ratings in Amazon.

4.- eufy Security Video Doorbell.

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A Crystal-Clear 2K Image. High Definition 2560 x 1920 resolution, combined with our advanced HDR and Distortion Correction, ensures video is recorded in 2x the quality. No Hidden Costs. Designed to protect your home as well as your wallet, eufy Security products are one-time purchases that combine security with convenience. Respond in Real-Time. Speak directly to anyone who approaches your front door via two-way audio. Tell your friends to come round the back or that you have just run out to get some milk. The Alerts Which Matter. With AI technology and our sophisticated algorithm, the camera intelligently detects body shape and face pattern. Ensuring you are only alerted when a human, and not a stray cat, is at the door. Electronic Chime Included. Supports 8 fun and holiday-themed ringtones and adjustable volume level. Note: Installation requires existing doorbell wires at 16-24 VAC, 30 VA, or above. Not compatible with Apple HomeKit or existing chimes. Does not support continuous recording. Rating: 4.5 of 8,997 Ratings in Amazon.

5.- XTU Video Doorbell.

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100% Wireless & Rechargeable Battery. The installation and connection of video doorbell camera are 100% wireless, makes you enjoy the convenience of not have to deal with any outlets or tangled mess of wires. Doorbell camera built-in 6700mAh 18650 rechargeable batteries and connects with 2.4GHz WiFi(Not support 5GHz WiFi), getting the instant battery situation via your phone APP. Easy Installation & IP65 Waterproof. Following the user guide, you can quickly install video doorbell camera within 5 minutes without having to use any complicated tools. Download CloudEdge App on Google Play/App Store, friendly App operation can help you use it quickly. In addition, video doorbell is designed with high-quality material covering and IP65 waterproof. It is safe to be used in all weather conditions. Motion Detection & 2-Way Audio. Wireless video doorbell camera built-in PIR Sensor that allows you to receive alarm and push notifications in real-time upon any triggered human detection. It helps you maintain safety by viewing whoever is at your door without opening it. The camera provides two-way audio talk all the time. You will have a real-time video talk with whoever in front of the camera on any situation. 1080P Full HD & Night Vision. 2021 Upgraded home security doorbell with camera can clearly monitor your house with Full HD 1920 X 1080 Megapixel and 166°wide view angle video through infrared night vision and live view, which can be used during the day and night. No Monthly Fee & Warm Support. WiFi smart video doorbell with camera supports up to 128G Micro SD(32GB SD card included) storage and Cloud storage. This is a ideal choice If you don't want to pay the endless monthly subscription fee. In addition, If you encounter any problem or need support, our professional support team will always stand by your side and be ready to help you! Rating: 4.1 of 6,414 Ratings in Amazon.

6.- Morecam Video Doorbell.

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Easy to Install & Use. This wireless doorbell camera takes less than 5 minutes to set up without having to use any complicated tools. Download CloudEdge App on Google Play/App Store, friendly App operation, and detailed quick start guide can help you use it quickly (* Notice: not support Alexa and Google Assistant). Via easy scanning QR code on CloudEdge, You could add your family members to the group sharing on the home security doorbell phone app. 100% Wireless & Cordless. Built-in 6700mAh rechargeable battery and connects with 2.4GHz Wi-Fi(* Notice: not support 5G Wi-Fi), the installation and the connection of security camera are 100% wireless, makes you enjoy the convenience of not have to deal with any outlets or tangled mess of wires. Two-way Audio & Voice Message. The video doorbell provides you real-time clear two-way audio, you can see, hear and talk with the visitors immediately, or select a pre-recorded voice message for quick replies. The wireless doorbell camera also has a free chime to be set in any room in your house, in case that the phone is not by your side. 1080P Full HD & Night Vision. Video doorbell camera offers you crystal-clear images and video recordings. Built-in IR lights permit you to see clearly even in darkness. Night vision distance up to 32ft. Intelligent IR-CUT automatically sense the ambient light and switch to night vision mode. You could also see out-of-sight corners with 166°wide angle. Better safeguard your family and property!. No Monthly Fee & Warm Tips. It support up to 128G Micro SD(a 32 GB SD card is already inserted into the device for use) storage and Cloud storage. If you don't want to pay the endless monthly subscription fee or others anymore, this is a deal choice for you. In addition, If you encounter any problem or need support, Please feel free to contact us through following Amazon directly to enjoy your unconditional lifetime warranty service. Rating: 4.1 of 3,014 Ratings in Amazon.

7.- eufy Security Video Doorbell.

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HD Video for Clear Viewing. 1080p-grade resolution, combined with our advanced HDR and Distortion Correction, ensures video is recorded in crisp clarity. No Hidden Costs. Designed to protect your home as well as your wallet, eufy security products are one-time purchases that combine security with convenience. Respond in Real-Time. Speak directly to anyone who approaches your front door via two-way audio. Tell your friends to come round the back or that you have just run out to get some milk. The Alerts Which Matter. With AI technology and our sophisticated algorithm, the camera intelligently detects body shape and face pattern. Ensuring you are only alerted when a human, and not a stray cat, is at the door. Free Electronic Chime Included. Supports 8 fun and holiday-themed ringtones and adjustable volume level. Note: Installation required existing doorbell wires at 16-24 VAC, 30 VA, or above. Not compatible with Apple HomeKit or existing wired chimes. Does not support continuous recording. Rating: 4.5 of 2,858 Ratings in Amazon.

8.- SSYING Video Doorbell.

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2.4GHZ WIFI Connection Not 5GHZ.  Smart doorbell, just download the APP and connect to the phone with 2.4GHz WIFI, and our device can be connected WIFI even out of door or through few walls with reliable connection transmission and strong signal. It’s compatible with iOS and Android. Motion Detection & Night Vision. Doorbell will send you the message when someone move in in front of the doorbell camera. Equipped with IR sensor and LED, it allows you to take photography and record videos at day or night. Keep your home safe at night. Video Talk-Back & free cloud storage. You can watch and talk with visitors on mobile phones and tablets anytime and anywhere, and transmit video or voice more clearly through noise reduction and rate adaptive technology. free cloud storage with bank protection level.(7 days cyclic storage). Simple installation method. The smart doorbell supports two fixing methods: the first method is to use the matching double-sided tape to directly paste it on the wall. the second method is to use the matching screws to punch holes install; The smart doorbell supports two power supply methods: the first is to use the matching three 18650 batteries to directly supply power. The second method is to use AC 8 to 24V hard-wired power supply. 1 Year Warranty & Battery included. Guaranteed after-sales service to assure your long-term enjoyment. If you have any question or don't know how to use this video doorbell, please do not hesitate to contact us. Include 3*18650 batteries. Rating: 4.0 of 2,550 Ratings in Amazon.

9.- KAMEP Video Doorbell (2021).

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1080P Full HD & 2-Way Audio. The KAMEP doorbell camera has a 166° wide-angle lens and 120° human detection range, providing the best angle of view in motion detection performance. You can use the mobile app to talk to the person who rings the doorbell in real-time, or a pre-recorded 30-second voice message to quickly respond for easy convenience.  Rechargeable Battery & Easy Installation. This wireless doorbell camera is powered by a built-in rechargeable battery . The rechargeable 6700mAh 18650 batteries last up to 4-6 months so that you won’t have to charge the batteries too often. Taking just 5 minutes to set up, simply mount with the provided screws and wall anchors. Smart PIR Motion Detection & Alerts. The video doorbell contains a built-in PIR motion sensor which can detect the slightest movement in front of the door. You’ll get a push notification on your phone if someone pass . You can check suspicious activity at any time even if you’re working at the office, shopping at the mall, or traveling far away on vacation. Remote Control on App & Multiple Users. The smart doorbell is easy to connect to the app, allowing you to place outdoors without installing wires. The smart video doorbell supports multiple family members on the online app, compatible with both iOS and Android. The video doorbell connects with 2.4GHz WIFI (not support 5GHz).  Cloud Storage & Local Storage. The doorbell camera allows financial encryption, supporting up to 128G Micro SD and Cloud storage. You’ll never miss out on a moment with remote playback video on the encrypted Cloud service wherever you are. Rating: 4.2 of 1,863 Ratings in Amazon.

10.- Ring Video Doorbell Pro 2.

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Premium wired video doorbell with Head-to-Toe HD+ Video, Two-Way Talk with Audio+, 3D Motion Detection, built-in Alexa Greetings (an exclusive Ring Protect Plan subscription feature), and customizable privacy settings.  See more of who stops by and check in on package deliveries down low with improved 1536p Head-to-Toe HD+ Video. Know when someone’s in your front yard with advanced motion settings and get more accurate real-time alerts in the Ring app. Pinpoint motion and distance with 3D Motion Detection and Bird’s Eye View, an aerial view to track motion around your home. Speak to visitors when you can’t get to the door with built-in Alexa Greetings, an exclusive feature with a Ring Protect Plan subscription. Hardwire Video Doorbell Pro 2 to your existing doorbell wiring and doorbell chime inside using the included tool kit for around-the-clock power and peace of mind. With a Ring Protect Plan (subscription sold separately), record all your videos, review what you missed for up to 60 days, and share videos and photos Rating: 4.6 of 1,561 Ratings in Amazon.

11.- Ring Video Doorbell 4.

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1080p HD video doorbell with improved video previews and battery life.  All-new Color Pre-Roll Video Previews of all motion events means you’ll never miss a moment at your front door, day or night. Enjoy customizable privacy zones and audio privacy, enhanced dual-band (2.4 or 5.0 GHz) WIFI connectivity, and improved motion detection. Receive mobile notifications when anyone presses your doorbell or triggers your built-in motion sensors. Powered by a removable, rechargeable battery pack or connects to existing doorbell wires for constant power. Works on any home. With a Ring Protect Plan (subscription sold separately), record all your videos, review what you missed for up to 60 days, and share videos and photos.  Save and share video and photos with an optional Ring Protect Plan (subscription sold separately). Rating: 4.6 of 1,342 Ratings in Amazon.

12.- ieGeek Video Doorbell.

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Stable Wireless Control & All-in One App. ieGeek smart doorbell with security camera supports stable 2.4GHz WIFI connections(not support 5Ghz WIFI), allowing you to keep up your home security on your smart devices easily. You can also share your view with friends(up to 5 users) at the same time through “Cloudedge” app on any IOS/Android devices. Its simple and clear operation interface is designed for all-age users. Rechargeable Battery & Weatherproof Design. 2 built-in 18650 batteries and lower power consumption gives this wireless video doorbell a longer monitoring time of 3 months in standby mode(20% low battery alert). With IP66 waterproof design and excellent temperature endurance(-4℉-122℉), this front door camera can withstand many harsh weather conditions. 1080P FHD Display & Real-time Talk. This Wi-Fi doorbell camera with a wider viewing angle of 166°captures more and conveys all in 1080P HD to your smart devices, so you can monitor your packages anytime you like. Its 2-way audio function allows you to talk to any visitors anytime or respond with a pre-recorded voice message(up to 30s each) when the bell rings.  Intelligent PIR Motion Detection & IR Night Vision. This battery-powered smart door bell camera features a patented motion detector with up to 20ft monitoring range, which can intelligently distinguish a human from other objects and then initiate the necessary alerts accurately and instantly, securing your home day&night, 24/7. You can choose Auto night vision or set it off/on based on your daily needs. Secured Video Storage & Easy Installation. You can choose to store the footages in a pre-installed 32GB SD card or on the bank-level encrypted cloud(a 7-day free trial available). There is 1 toolkit pack with all installing necessities included in the package, so you can use them to easily install this home security doorbell anywhere you like in just 3 minutes. Rating: 4.3 of 711 Ratings in Amazon.

13.- Amcrest 4MP Video Doorbell.

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The Amcrest Video Doorbell Camera is powered by using your home's existing doorbell wiring (16V-24V) and is compatible with existing traditional mechanical and electronic digital chimes to provide surveillance of all front door activity in high definition 2K (4-Megapixel) resolution. This home security camera features an extra-wide 164° viewing angle allowing you to cover every angle. This doorbell is not battery powered. Built in microphone and speaker allows for two-way audio and makes it easier to talk to visitors without having to get up and answer the door. The Amcrest Video Doorbell Camera is RTSP stream compatible. Includes 1 x 4-Megapixel Doorbell Camera, 1 x Corner Bracket, 1 x Wedge Bracket & Installation Tools. Our WIFI Doorbell Camera works with dualband WIFI Networks (2.4GHz & 5Ghz). Built in night vision allows you to see in the dark, up to 16 feet away.  Motion Sensor lets you receive motion detection alerts via push notifications and instantly review recorded footage directly from your smartphone using the Amcrest Smart Home app. Securely store your HD footage to the Amcrest Smart Home Cloud or store directly to a class 10 MicroSD card up to 128GB. (MicroSD Card Not Included, Limited compatibility with Amcrest View Pro, Not compatible with Amcrest Cloud). At Amcrest, you’ll receive a full 1-year US Warranty and Lifetime technical support provided directly from Amcrest. You will also receive a 1-Year Free SmartHome Cloud Subscription. The Amcrest SmartHome WiFi Video Doorbell Camera works with the Amcrest SmartHome Deterrent Camera (ASIN: B07WK8FH3X), SmartHome PT Camera (ASIN: B0831TQHMP, B0821Q23GF) & SmartHome Outdoor Camera (ASIN: B0835WQHZY, B083TLW9JL). Compatible with any 16V, 30VA Doorbell Transformer ASIN: B001POBN92. Rating: 4.2 of 193 Ratings in Amazon.

14.- VANBAR Video Doorbell (2021 release).

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1080P Full HD & Night Vision. The doorbell camera provides you with clear images and video recordings. Built-in infrared light lets you see clearly even in the dark. Night vision distance up to 32ft. Smart IR-CUT automatically senses ambient light and switches to night vision mode. You can also see out of the corner of your vision with a 166° wide angle. 2-Way Audio & Smart PIR Human Detection. The video doorbell gives you real-time, clear two-way audio so you can instantly see, hear and talk to visitors. The built-in PIR sensor allows you to receive alerts and push notifications in real-time on any triggered motion detection.  Rechargeable Batteries & 100% Wire-Free. The wireless video doorbell comes with 2 rechargeable batteries and a wireless indoor chime. Doorbell camera installation and connection are 100% wireless, giving you the convenience of not having to deal with any outlets or stray wires. (Compatible with 2.4G WIFI router ONLY). Lifetime Free Cloud Storage & Multiple-User Sharing. Lifetime cloud service storage with no subscription fees. Videos can be stored in the cloud for 3 days with no storage limit, and the doorbell camera will automatically overwrite previous files for recurring recordings. You can also share the account with your family members. After-sales Support. VANBAR is a remarkable company and believes in driving innovation to add value to our customers. We provide lifetime after-sales support for this doorbell camera wireless with 7*24 hours of technical support. If you have any questions about this doorbell, please contact our customer service team through Amazon. Rating: 4.5 of 169 Ratings in Amazon.

15.- Nisahok Video Doorbell.

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Easy to Install & 2.4GHz WIFI. The smart doorbell can be directly fixed on the door (smooth surface) with 3M double-sided tape, or installed with a bracket and matching screws. No wires and cables are required, just download the APP(Aiwit), then connect it to 2.4GHz WIFI with the help of your smartphone, keeping your doorbell always online and answer the door from anywhere. Turn on the notification of the app in the phone settings, and it is compatible with iOS and Android. Free Cloud Storage & Free Chime. The video doorbell is a safe and convenient product that can be enjoyed for a long time. Free circulation cloud storage for 7 days, which can record and store all sports activities for up to 7 days. Free Chime--someone rings the doorbell, the doorbell rings in the room, you don’t need to pick up the phone to know someone is visiting. HD Video & Two-way Audio. HD video doorbell with HD night vision offers real-time video and two-way talk with noise cancellation, which allows you to see, hear and talk to your visitors at your door through a wide-angle lens through the app which is compatible with iOS and Android. PIR Motion Detection & Night Vision. Built-in motion and infrared sensors and LED. If someone passes by, the doorbell will capture the picture and push it to the mobile phone, and upload the short video to the cloud server, which can be viewed or downloaded to the mobile phone at any time. When the surrounding brightness decreases, the infrared light will automatically turn on to show you high-resolution video. You can see clearly even in dim light. Use with Confidence. Three 18650 high-capacity rechargeable batteries, ordinary household doorbells can be used for about 40-60 days on a single charge (or affected by the number of visitors). Before use, please make sure to use a charger above 5V2A to fully charge it for 20 hours. If you have any questions about the product, please feel free to contact us via Amazon order, we will respond quickly within 24 hours, and we will serve you wholeheartedly! Rating: 3.8 of 169 Ratings in Amazon.

16.- Blink Video Doorbell.

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Answer your door no matter where you are from your smartphone with 1080p HD day and infrared night video and two-way audio. Experience long-lasting battery life, custom alerts, privacy settings, and more. Get alerts when motion is detected or someone presses Video Doorbell. Connect to existing doorbell wiring or pair with a Sync Module (sold separately) to engage live view and two-way audio on demand. Choose to save and share clips in the cloud with a free 30-day trial of the Blink Subscription Plan or locally with the Sync Module 2 and USB drive (each sold separately). Designed for every home, go wire-free or connect to existing doorbell wiring to also sound in-home chime. Set up yourself in minutes with the two included AA lithium batteries then connect to WIFI in the app. Works with Alexa — receive alerts and answer with two-way audio. When wired or with a Sync Module, see, hear, and speak to visitors. Includes one Video Doorbell, 2 AA 1.5V Lithium Batteries, 4 Screws, 1 Case Opening Tool. Does not include Sync Module 2 which can be found in all “Systems” above (recommended for optimal use while on battery). Rating: NEW in Amazon.