CCTV cameras Comparison: Bosch, Dahua Technology (4)

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	Bosch GVS1000-11-P	Dahua Technology DH-HAC-T1A51-U	Dahua Technology HAC-HFW1220R	Dahua Technology HAC-HDW1200TMQ-Z(-A)
Contact manufacturer	Contact	Contact	Contact	Contact
Colour Type	Colour / Monochrome	Colour / Monochrome	Colour / Monochrome	Colour / Monochrome
Resolution TVL	540	5 MP	2MP	1080P
Specialist Types	Infrared	--	--	Infrared
Voltage	120 ~ 230 V AC	12 V DC	12 V DC	12 V DC
Focal Length mm	12.5 ~ 750	2.8 mm; 3.6 mm	3.6	2.7 ~ 12
Picture Elements HxV	752 x 582	--	1920 x 1080	1920 x 1080
Auto Gain Control	✔	✔	✔	✔
S/ N (Signal/ Noise) Ratio dB	<50	>65 dB	65	>65
Signal Mode	PAL	PAL, NTSC	PAL, NTSC	PAL, NTSC
Sensitivity lux	--	0.02 [email protected] (Colour, 30 IRE) ; 0.002 [email protected] (B/W, 30 IRE) ; 0 lux (Illuminator on)	0 ~ 0.008	0 ~ 0.02
Motion Activated	--	✔	--	--
Mount Type	--	Wall, Ceiling	--	Wall, Pole
Wide Dynamic Range	--	✔	✔	✔
Back Light Compensation	--	✔	✔	✔
White Balance	--	✔	✔	✔
Electronic Shutter range	--	PAL: 1/25 s–1/100,000 s; NTSC: 1/30 s–1/100,000 s	1/25(1/30) ~ 1/50,000s	PAL: 1/25s–1/100000s / NTSC: 1/30s–1/100000s
Chip Inch Size "	--	--	1/3	1/3
Digital (DSP)	--	--	✔	--
Direct Drive	--	--	✔	--

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