The Wireless Smart Camera Doorbell Black supports photo-taking only, it doesn not support real-time monitoring and video-recording. Power supply: 2 x AAA Batteries. Rated voltage: 100V-240V AC. Plug type: US Plug. Scope of application: RF(radion frequency)30m + WIFI30m. Night vision range: 5m. Mounting Mode: 3M Double-Sided Tape/ Screw-fixed. Camera lens: 80°Visible Angle + F2.8 Aperture. Picture resolution: 480x272. Image sensor: 1/4 CMOS. Supporting APP: eye4(for iOS/Android system). Alarm: Buzzer. Box contains: 1 x Indoor unit, 1 x Outdoor unit (batteries not included), 1 x Manual