Features: Electric lock-control function. Handfree intercom. Mute indoor intercom function. Monitoring the outside of the door. 16 kinds of door bell rings. Volume, brightness and contrast adjustable. Easy installation by yourself with adapter and cable we provide in this kit. Specifications： Outdoor Camera Camera: 1/4" CMOS Night version: 6 IR LED lights Min. Illumination: 0.5Lux Video output: 1Vp-p/75Ω Power: DC15V-1.2A Dimensions: 12.2 * 9.5 * 3cm Weight: 166g Indoor Monitor Screen: 7" TFT LCD Power source: AC100V-240V/50-60Hz Effective pixels: 480 * 234 * 30 Power: ≤14W(operation), ≤2W(standby) Wiring: 4 wires Dimensions: 25.5 * 16.5 * 28cm Weight: 592g Adapter input: AC100~240V, 50/60Hz Adapter output: DC15V 2000mA Material: ABS plastic & aluminum alloy Package size: 36.5 * 28 * 10cm Package weight: 2420g Package includes: 1 * Outdoor camera 2 * Indoor monitor 2 * AC adapter 1 * 5m 4-core connection cable 1 * 5m 5-core Connection cable 1 * 2-core connection cable 1 * Package of screws 1 * User manual - English