IP cameras Comparison: Sony, Dahua Technology (4)

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	Sony SNC-CH220	Dahua Technology DH-PSD81602-A360	Dahua Technology DH-IPC-HFW2449TL-S-PRO	Dahua Technology DH-IPC-HDW3849H-AS-PV-PRO
Contact manufacturer	Contact	Contact	Contact	Contact
Chip Inch Size	1/3	1/2	1/1.8	1/1.8
Colour Type	Colour / Monochrome	True Day / Night	Colour / Monochrome	Colour / Monochrome
Sensitivity Lux	0.70	0.005 ~ 0.02	0.0005 [email protected]	0.0008 [email protected] (Color, 30IRE) ; 0.0004 [email protected] (B/W, 30IRE) ; 0 lux (Illuminator on)
Lens Mount	CS	--	--	--
Voltage	PoE	36 V DC	12 V DC	12 V DC, PoE
Focal Length mm	2.8 ~ 6	5	2.8 mm; 3.6 mm; 6 mm	2.8 mm; 3.6 mm
Image Frame Rate	30	25 ~ 30 fps	--	25/30 fps
Auto Gain Control	✔	✔	✔	✔
White Balance	✔	✔	✔	✔
Electronic Shutter Range	1 ~ 10,000	1/3 ~ 1/100000s	Auto/Manual 1/3 s–1/100,000 s	Auto/Manual 1/3 s–1/100,000 s
Signal Mode	NTSC / PAL	PAL, NTSC	--	--
Resolution	--	1080P	4MP	8 MP
Digital (DSP)	--	✔	--	--
Specialist Type	--	PTZ	--	--
Auto Iris	--	✔	--	--
Direct Drive	--	✔	--	--
Motion Activated	--	✔	✔	--
High Speed	--	✔	--	--
Mount Type	--	Wall	Pole, Corner	--
Wide Dynamic Range	--	✔	✔	✔
Picture Elements HxV	--	2 x 4096 x 1800	--	--
Back Light Compensation	--	✔	✔	✔
S/ N (Signal/ Noise) Ratio dB	--	> 50	>56 dB	>56 dB

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