Detailed Description  video intercom, doorbell, door phone Black/White hand-free Video Door Phone with adjustab camera view  Model Reference Number:VDP-30Dn  Key Specifications/Special Features: CCD and CMOS cameras are available (B/W only)  Minimum illumination: 0.1 lux  Brightness scale rate: 7 scale  Picture overtaking: ≥80%  Angle:  CCD: 92°  CMOS: 78° CRT resolution: 380TVL  Signal system: CCIR or EIA (50/60Hz)  Display automatic turn-off time: 60 seconds  Illumination sources for night vision: infrared  Voltage source: 90 to 250V switch-mode power supply  Power consumption:  Stand-by: 4W  Operating: 14W Dimensions (indoor section): 228 x 192 x 70mm  Weight: 3.5kg (outdoor section included)  Minimum Order: 100 Sets Delivery Details: Lead Time: 15 Days/ 1000 sets