Item Type: Video Doorbell Material: ABS + Iron Shell Uses: Villas, apartments, residences, hotels, offices, public buildings, etc Plug Voltage: 100-240V Light Source: 850 infrared light Infrared Distance: Approx. 3 meters/9.8ft Effective Distance: Approx. 100 meters/328.1ft Viewing Angle: 92 Indoor Unit Function: Automatic taking photo, visitor record APP Remote Access: Supports up to 5 users Memory Card: Maximum support 32G (not included) Working Temperature: -10-50 Package List 1 x Outdoor Camera 1 x Indoor Monitor 8 x Screw 8 x Expansion Tube 5 x Terminal Connection Cable 1 x Power Adapter 1 x Manual The doorbell supports for Tuya APP, which can be downloaded before use. After the doorbell is installed, follow the instructions of the manual to complete the binding of the APP, or to set and turn on other functions. Please read the manual carefully. 17in highdefinition display, no radiation, low power consumption, allows you to observe the situation outside the door at any time. 2The camera adopts 850 infrared light, ensures clear night vision, and offers clear monitoring even in lowlight environment. 3When the visitor presses the doorbell, the camera will automatically record the photo or video and save it in a 32G memory card (not included). 4APP remote access supports up to 5 users. Support electric lock and control, handsfree intercom and remote monitoring. 5Easy to install, wide applications, suitable for villas, apartments, residences, hotels, offices, public buildings, etc.