• LAG-FREE VIDEOS & AUDIOS: this high-performance video camera doorbell uses advanced computer vision technology, webRTC and cloud service to shorten response time and deliver real-time live feed and alert notifications, with no lag or delayed loading time. You'll be able to see, hear, and speak with visitors live from anywhere using your smartphone or tablet
• ACCURATE HUMAN DETECTION, INSTANT MOTION ALERT and CUSTOM DETECTION ZONES: with optimized AI recognition algorithms and robust hardware solutions, Instaview doorbell video camera only alerts you when a human approaches, not waving branches or animals. Experience no-miss motion detection, no delayed motion alerts, and no false alerts. You can count on InstaView for package and home security
• PRE-RECORDING, EVENT RECORDING STARTS EARLIER: this AI security camera doorbell provides 24/7 streaming(but not continuous video recording), a short video is recorded prior to each motion-activated recording. You'll be able to watch people come and leave, not just their backsnever miss anything at your door. Video clips are saved in your cloud storage for immediate playback on your phone so you can find out what's happening at your door in no time
• 360 Fish eye lens, wider view of your front yard than other doorbells, with no blind areas. The doorbell has the smallest size 4 1/8" x 1 1/2" x 3/4", fits on most door frame. The smart video doorbell is made of metal for durability and long lasting use. Weatherproof-works at -70F to +150F, the only video doorbell that works in the extreme cold or hot weather. The doorbell works at 110-240 voltage
• MULTIPLE USERS: All family members can set up their own accounts to answer the door at the same time. The smart security doorbell is powered by existing doorbell wiring and works with your existing mechanical chime

Pre-Owned | Looks and appears to be in good condition. Unable to test. Everything included with this item can be seen in the images. See pictures for product condition.