TWO-WAY AUDIO & HD : Wherever you are, whenever you , you can see what's happening at your door with the camera. This camera supports 2-way audio function, built-in microphone and speaker, you can talk to visitors through mobile phone APP anytime and anywhereSmart Human Detection and Instant Alert: The camera doorbell has dual human and functions. You can to enable human detection, so that the device will only remind you when there is human movement, and avoid unnecessary movements. Instant alerts will be sent to your phone when an event occurs.NIGHT VISION & IP65 WEATHER RESISTANCE: The camera has 6 infrared lights, allowing you to see what's happening at your door at night. The camera doorbell is IP65 waterproof certified, to withstand different weathers such as rain, , heat or cold.Multi- Sharing & Indoor Chime Included]: Wirelessly share your camera doorbell with your family and partners so everyone can an alert and a . You can share the doorbell camera with up to 8 other accounts, allowing you to guard your home together. Also includes a house chime. When someone rings your , you'll hear it ring while you're home.Wireless and Easy to Install]: This wireless is powered by a rechargeable battery and works with 2.4G WIFI. You can install it by tape or screws. With no wires to hassle, installation is super easy.Name: Weight: 282gColour:blackMaterial:ABSSize:15.1 x 5.3 x 5.6cmPackage Contents:1 x Visual DoorbellOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.