1、7in high‑definition display, no radiation, low power consumption, allows you to observe the situation outside the door at any time. 2、The camera adopts 850 infrared light, ensures clear night vision, and offers clear monitoring even in low‑light environment. 3、When the visitor presses the doorbell, the camera will automatically record the photo or video and save it in a 32G memory card (not included). 4、APP remote access supports up to 5 users. Support electric lock and control, hands‑free intercom and remote monitoring. 5、Easy to install, wide applications, suitable for villas, apartments, residences, hotels, offices, public buildings, etc. 1 x Outdoor Camera1 x Indoor Monitor8 x Screw8 x Expansion Tube5 x Terminal Connection Cable1 x Power Adapter1 x Manual Item Type: Video DoorbellMaterial: ABS + Iron ShellUses: Villas, apartments, residences, hotels, offices, public buildings, etcPlug Voltage: 100-240VLight Source: 850 infrared lightInfrared Distance: Approx. 3 meters/ 9.8ftEffective Distance: Approx. 100 meters/ 328.1ftViewing Angle: 92°Indoor Unit Function: Automatic taking photo, visitor recordAPP Remote Access: Supports up to 5 usersMemory Card: Maximum support 32G (not included)Working Temperature: -10-50℃