Special:
1. Use Sony Colour CCD
2. Built-in 3.5-8mm Manual Iris Varifocal lens
3. Built-in 36 pcs IR, The avalible distance is 30 Meters 
4. Use PC material transparent cover

   
Model no.                  VD-VI311C  
Image sensor             1/3" Sony Colour CCD
Signal System           PAL/NTSC
Frequency                 PAL - H: 15.625KHz V:50Hz
                                NTSC - H: 15.734KHz V:60Hz
Resolution                 420 TV Lines
Pixel                         PAL - 500(H) * 582(V)
                                NTSC - 510(H) * 494(V)
Illumination                0.5 Lux(Day), 0 Lux(Night) 
IRIS                          1/60-1/30000 Sec
S/N Ratio                  >52 dB
AGC                         ON
BLC                          ON
Video output              1 Vp-p 75 ohm composite video
Voltage Supply          DC12V
Current                      < 500 mA