Model Number

DF-688CD

Model:                              DF-B688CD
CCD type:                           1/4"SONY 
Pixels(H x V):                      P:512(H)×582(V); N:512(H)×492(V)
System of signal:                   PAL/NTSC
Horizontal resolution:              480TV Line
Synchronization:                    Internal
Minimum illumination:               0.5Lux
Backlight compensation:             ON/oFF switchable                                    
White balance :                     automatic                                                         
Lens:                               F=3.9-85.8mm
Electronic shutter:                 1/60～1/100，000seconds
Optical zoom:                       22X                                        
S/N ratio:                         ≥ 48dB
Gamma correction:                  0.45                                                         
Video output :                     1.0Vp-p/75Ω
Operation temperature:             -20℃～50℃
Power supply :                     DC 12V  (750-1000mA)
Dimensions(mm):                    205×98×83mm
Weight(g) :                        900g