Image Sensor	1/4〞Sharp CCD	1/3〞Sony CCD	1/3〞Sony CCD
Sensing area	3.6mmx2.7mm	4.9mmx3.7mm	4.9mmx3.7mm
Effective pixels	PAL:500(H)x582(V)  NTSC:510(H)x492(V)		PAL752(H)x582(V)  NTSC:768(H)x494(V)
Horizontal Resolution	420TVL 420	420TVL 420	480TVL 480
Lens	3.6/6/8mm
Signal mode	PAL/NTSC
Shutter Speed	1/50(1/60)-1/100,000sec.
S/N ratio	》48db
White Balance	Auto White Balance 自动白平衡
Backlight Compensation	Auto 自动
Auto Gain Control	Auto 自动
Minimum lllumination	0lux(IR ON) 红外灯开启，0LUX
Video output	1.0Vp-p75Ω
Power Supply	DC12V
Power Consumption	120mA
Operation temperature	—10°C~+50°C
Dimensions	φ93mm×77mm
Weight	162g