Model: GD-D2472 

 Sensor 1/4 (3) SHARP 1/4 (3) the SONY 1/3 the LG 1/3 OV7949 1/4 OV5116 
 Signal System PAL NTSC 
 P of pixels: 500 * 582 N: 510 * 492 P: 628 * 586 N: 510 * 496 P: 352 * 288 N: 320 * 240 
 Photosensitive area of ??1/4: 3.6X2.7MM2 1/3: 4.9X3.7MM2 4.9X3.7MM2 5.961X4.276MM2 3.2X2.5MM2 
 Scanning frequency H: 15.625KHZ V: 50HZ H-: 15.7343KHZ V: 60HZ 
 Horizontal resolution 420TVLines 420TVLines 380TVLines 
 The shutter 1/50-1/1000001/60-1/100000 1/50.60-1/80000 1/50.60-1/6000 
 SNR greater than 48dB greater than 46dB 
 Gray level 10 
 Gamma 0.45 
 Minimum Illumination 0.8Lux/F1.2 0.5Lux/F1.2 0.1Lux/F1.2 1.5Lux/F1.2 0.5Lux/F1.2 
 Video Output 1.1Vp-p 75Ω 
 Power consumption DC12V ± 10% 60MA ± 10% DC12V ± 10% 110MA ± 10% DC12V ± 10% 40MA ± 10% DC12V ± 10% 20MA ± 10% 
 Operating temperature -20 ℃ ~ 50 ℃ RH 95% Max 
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 Lens 3.6MM 6MM 3.6MM