Features: 1) Direct calling and dual talking 2) Real time monitoring door station 3) Remote control electrical lock 4) Ding~Dong~ ring 5) Plastic door station and handset monitor 6) CCD/CMOS, Black-white/Color available Specifications (outdoor camera): 1) Resolution: CCD 420 TV Line, CMOS 380 TV Line 2) View angle: CCD 92° , CMOS 78° 3) Lowest luminance: 0.02Lux 4) Power Source: From Monitor 5) Power consumption: 2W 6) Appearance size(H x W x D): 140 x 120 x 30mm 7) Mounting way: Wall hanged Specifications (indoor monitor): 1) Display screen: B/W 4" flat CRT/Color 4" TFT LCD 2) Talking way: Handset 3) Power consumption: Standby 0.5W, Operation 10.5W 4) Appearance size(H x W x D): 220 x 223 x 70mm Specifications (power adaptor): 1) Power input: AC110V--240V 2) Power output: DC18V 2000mA Packing: 1) Quantity/carton: 5pcs/carton 2) Carton size(L x W x H): 450 x 390 x 310mm 3) Gross weight: 15.5kg