Compare VC56TH-24 with VN51C-4IR (2)

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	Visionhitech VC56TH-24	Visionhitech VN51C-4IR
	Contact manufacturer	Contact manufacturer
Colour Type	Colour / Monochrome	Colour / Monochrome
Resolution TVL	570	380
Digital (DSP)	✔	✔
Sensitivity lux	0.0002	0
Lens Mount	C/CS	--
Voltage	24 V AC	12 V DC
Picture Elements HxV	768 x 494	512 x 492
Back Light Compensation	✔	--
Auto Gain Control	✔	✔
White Balance	✔	✔
Electronic Shutter range	1/60 ~ 1/100,000 s	1/60 ~ 1/100,00 sec
S/ N (Signal/ Noise) Ratio dB	>50	>50
Synchronisation	Internal / Line Lock	Internal
Signal Mode	NTSC / PAL	NTSC/PAL
Chip Inch Size "	--	1/3
Specialist Types	--	Infrared
Focal Length mm	--	4.3
Gamma Correction	--	0.45

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