CCTV cameras Comparison: Messoa, Dahua Technology (4)

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	Messoa SCR510 / SCR515	Dahua Technology HAC-HFW1220R	Dahua Technology DH-HAC-T1A51-U	Dahua Technology HAC-HDW1200TMQ-Z(-A)
Contact manufacturer	Contact	Contact	Contact	Contact
Chip Inch Size "	1/2	1/3	--	1/3
Colour Type	Colour / Monochrome	Colour / Monochrome	Colour / Monochrome	Colour / Monochrome
Resolution TVL	600	2MP	5 MP	1080P
Specialist Types	Infrared	--	--	Infrared
Sensitivity lux	0.0	0 ~ 0.008	0.02 lux@F2.0 (Colour, 30 IRE) ; 0.002 lux@F2.0 (B/W, 30 IRE) ; 0 lux (Illuminator on)	0 ~ 0.02
Voltage	90 V ~ 260 V AC	12 V DC	12 V DC	12 V DC
Mount Type	Wall, Corner, Pole	--	Wall, Ceiling	Wall, Pole
Picture Elements HxV	768 x 494 (NTSC) / 752 x 582 (PAL)	1920 x 1080	--	1920 x 1080
Back Light Compensation	✔	✔	✔	✔
Auto Gain Control	✔	✔	✔	✔
Gamma Correction	0.45 / 1	--	--	--
Electronic Shutter range	1/60 ~ 1/100,000	1/25(1/30) ~ 1/50,000s	PAL: 1/25 s–1/100,000 s; NTSC: 1/30 s–1/100,000 s	PAL: 1/25s–1/100000s / NTSC: 1/30s–1/100000s
S/ N (Signal/ Noise) Ratio dB	>50	65	>65 dB	>65
Synchronisation	Internal, Line-Lock	--	--	--
Signal Mode	PAL, NTSC, CCIR, EIA	PAL, NTSC	PAL, NTSC	PAL, NTSC
Digital (DSP)	--	✔	--	--
Direct Drive	--	✔	--	--
Focal Length mm	--	3.6	2.8 mm; 3.6 mm	2.7 ~ 12
Wide Dynamic Range	--	✔	✔	✔
White Balance	--	✔	✔	✔
Motion Activated	--	--	✔	--

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