CCTV cameras Comparison: Dahua Technology, Bosch (4)

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	Dahua Technology DH-HAC-HFW2100DN	Bosch LTC0455/51	Bosch LTC 0435	Bosch LTC 0495
Contact manufacturer	Contact	Contact	Contact	Contact
Chip Inch Size "	1/3	1/3	1/3	1/3
Colour Type	Colour / Monochrome	Colour / Monochrome	Colour	Colour / Monochrome
Resolution TVL	1280 x 960	540	330	540
Digital (DSP)	✔	✔	✔	✔
Specialist Types	Infrared	--	--	--
Sensitivity lux	0	0.018	0.24	0.0038
Voltage	12 V DC	230 V AC	12 V DC / 24 V AC	12 ~ 28 V AC
High Speed	✔	--	--	--
Focal Length mm	8	--	2.8 ~ 50	--
Picture Elements HxV	1280 x 960	752 x 582	500 x 582	752 x 582
Back Light Compensation	✔	✔	✔	✔
Auto Gain Control	✔	--	✔	✔
White Balance	✔	✔	--	--
Electronic Shutter range	4/30 ~ 1/54,000 s	--	1/50 ~ 1/125,000	1/50 ~ 1/500,000
Synchronisation	Internal	Line-Lock	Internal, Line-lock	Internal/Line-lock
Auto Iris	--	✔	--	✔
Direct Drive	--	✔	--	✔
Lens Mount	--	C/CS	C/CS	CS
Motion Activated	--	✔	--	--
S/ N (Signal/ Noise) Ratio dB	--	50	50	>50
Signal Mode	--	PAL	CCIR/EIA	PAL/NTSC

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