Detailed Product Description Features: 1) Calling, dual talking, real time monitoring and remote unlocking 2) 4 monitors (at most) available for one outdoor station 3) Picture recording, storing and checking by extra image recorder available Specifications (outside camera): 1) Resolution: CCD 420 TV Line, CMOS 380 TV Line 2) View angle: CCD 92?, CMOS 78? 3) Lowest luminance: 0. 02 Lux 4) Power supply: From inside monitor 5) Power consumption: 2W 6) Dimensions: (H χ W χ D): 140 χ 120 χ 30mm Specifications (inside monitor): 1) Screen: B/W 4" flat CRT or color 4" TFT LCD 2) Talking way: Handset 3) Power supply: DC 18V, 600mA 4) Power consumption: Standby: 0. 5W, operation: 10. 5W 5) Dimensions: (H χ W χ D): 223 χ 223 χ 70 mm Specifications (power adaptor): 1) Power input: AC110V ?AC240V 2) Power output: DC 18V, 600mAh Inner packing: Gift box dimensions: 265 χ 415 χ 115mm Outer packing: Carton box dimensions: 547 χ 423 χ 345 G. W.: 2. 5kg