Model	BS-871D	BS-871C	BS-871B	BS-871A	BS-871F	BS-871I
Pickup device	1/3 Sony CCD				1/4 Sony CCD	1/4 Sharp CCD
Number of pixels	PAL: 752(H)×582(V) NTSC: 768(H)×492(V)		PAL: 512(H)×582(V) NTSC: 512(H)×492(V)
System of signal	PAL / NTSC
Horizontal resolution	520TV Lines	480TV Lines	450TV Lines	420TV Lines
Minimum illumination	0Lux/F1.2(IR OPEN)
Lens mount	Built-in 16(12)mm
IR View distance(m)	40-60M
Backlight compensation	Auto
Electronic shutter	1/50(1/60)~1/100,000sec
AGC	Auto
White balance	Auto
S/N Ratio	>48dB
Gamma correction	>0.45
Sync system	Internal
Operation temperature	-20 ℃~50℃
protection standard	Ip67
Dimension(mm)	187(L)X119.6(W)X118(H)
Weight(g)	1466+-5g
Video output	1.0Vp-p/75 Ω
Power consumption	DC12V,<800mA