IP cameras Comparison: Hikvision, Dahua Technology (4)

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	Hikvision DS-2TD8166-180ZE2F/K	Dahua Technology DH-PSD81602-A360	Dahua Technology DH-IPC-HFW2449TL-S-PRO	Dahua Technology DH-P3D-3F-PV
Contact manufacturer	Contact	Contact	Contact	Contact
Colour Type	Colour / Monochrome	True Day / Night	Colour / Monochrome	Colour / Monochrome
Resolution	640 x 512	1080P	4MP	6 MP
Digital (DSP)	✔	✔	--	--
Specialist Type	Thermal	PTZ	--	--
Sensitivity Lux	0.0005 ~ 0.005	0.005 ~ 0.02	0.0005 [email protected]	--
Auto Iris	✔	✔	--	--
Direct Drive	✔	✔	--	--
Voltage	48 V DC	36 V DC	12 V DC	12 V DC
Focal Length mm	45 ~ 180	5	2.8 mm; 3.6 mm; 6 mm	2.8 mm
Wide Dynamic Range	✔	✔	✔	✔
Picture Elements HxV	640 x 512	2 x 4096 x 1800	--	--
Image Frame Rate	25 ~ 30 fps	25 ~ 30 fps	--	--
Back Light Compensation	✔	✔	✔	--
Auto Gain Control	✔	✔	✔	--
White Balance	✔	✔	✔	--
Electronic Shutter Range	1/1 ~ 1/30,000 s	1/3 ~ 1/100000s	Auto/Manual 1/3 s–1/100,000 s	--
Signal Mode	PAL, NTSC	PAL, NTSC	--	--
Chip Inch Size	--	1/2	1/1.8	1/2.8
Motion Activated	--	✔	✔	✔
High Speed	--	✔	--	--
Mount Type	--	Wall	Pole, Corner	--
S/ N (Signal/ Noise) Ratio dB	--	> 50	>56 dB	--

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