IP cameras Comparison: Sony, Dahua Technology (4)

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	Sony SNC-RZ50P	Dahua Technology DH-PSD81602-A360	Dahua Technology DH-IPC-HFW2431DG-4G-SP-EAU-B	Dahua Technology DH-IPC-HFW2431TP-ZS-S2
Contact manufacturer	Contact	Contact	Contact	Contact
Chip Inch Size	1/4	1/2	1/3	1/3
Colour Type	Colour / Monochrome	True Day / Night	Colour / Monochrome	Colour / Monochrome
Resolution	450 TVL	1080P	4MP	4MP
Specialist Type	PTZ	PTZ	--	--
Sensitivity Lux	0.3	0.005 ~ 0.02	0.01 Lux@F1.6 (Colour,30IRE), 0.001 Lux@F1.6 (B/W,30IRE), 0 lux (Illuminator on)	0.008
Voltage	12 V DC	36 V DC	MicroUSB / 5 VDC	12 V DC, PoE
Motion Activated	✔	✔	✔	✔
Focal Length mm	3.5 ~ 91	5	2.8 mm; 3.6 mm; 6 mm	2.7 ~ 13.5
Mount Type	Ceiling	Wall	Wall, Pole	Pole
Picture Elements HxV	640 x 480	2 x 4096 x 1800	--	--
Back Light Compensation	✔	✔	✔	✔
Auto Gain Control	✔	✔	✔	✔
White Balance	✔	✔	✔	✔
Electronic Shutter Range	1 ~ 1/10,000	1/3 ~ 1/100000s	Auto/Manual 1/3 s–1/100,000 s	Auto/Manual 1/3 s–1/100000 s
S/ N (Signal/ Noise) Ratio dB	>50	> 50	>56	>56
Signal Mode	PAL	PAL, NTSC	--	PAL
Digital (DSP)	--	✔	--	--
Auto Iris	--	✔	--	--
Direct Drive	--	✔	--	--
High Speed	--	✔	--	--
Wide Dynamic Range	--	✔	✔	✔
Image Frame Rate	--	25 ~ 30 fps	25/30 fps	25/30 fps

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