IP cameras Comparison: Dahua Technology, Hikvision (4)

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	Dahua Technology DH-IPC-PFW5849-A180-E2-ASTE	Hikvision DS-2CD2020-I	Hikvision DS-2CD2020F-I(W)	Hikvision DS-2CD2T42WD-I3/I5/I8
Contact manufacturer	Contact	Contact	Contact	Contact
Chip Inch Size	1/1.8	1/3	1/3	1/3
Colour Type	Colour	Colour / Monochrome	Colour / Monochrome	Colour / Monochrome
Resolution	2×4MP	2 MP	2 MP	4 MP
Sensitivity Lux	0.0005 lux@F1.0 (Color, 30 IRE), 0.0002 lux@F1.0 (B/W, 30 IRE), (Illuminator on) 0	0	0.01	0.01Lux @(F1.2,AGC ON ), 0.0 28 Lux @(F 2.0 ,AGC ON), 0 Lux with IR
Voltage	12 V DC, PoE+, ePoE	12 V DC	12 V DC	12 V DC, PoE
Focal Length mm	3.6 mm	--	4	--
Wide Dynamic Range	✔	✔	✔	✔
Back Light Compensation	✔	✔	✔	✔
Auto Gain Control	✔	✔	✔	✔
White Balance	✔	--	--	--
Electronic Shutter Range	Auto/Manual 1/3 s–1/100,000 s	1/25 ~ 1/100,000 s	1 /3 ~ 1/100,000 s	1/3 ~ 1/10,000s
S/ N (Signal/ Noise) Ratio dB	>56	--	--	--
Digital (DSP)	--	✔	✔	✔
Specialist Type	--	Infrared	Infrared	Megapixel
Motion Activated	--	✔	--	✔
Picture Elements HxV	--	1920 x 1080	1920 x 1080	2688 x 1520
Image Frame Rate	--	25 fps	30 fps / 25 fps	30 fps / 25 fps
Auto Iris	--	--	✔	✔
Direct Drive	--	--	✔	✔
Signal Mode	--	--	PAL, NTSC	--
High Speed	--	--	--	✔

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