IP cameras Comparison: Sony, Dahua Technology (4)

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	Sony SNC-RZ25P	Dahua Technology DH-IPC-HFW2431DG-4G-SP-EAU-B	Dahua Technology DH-IPC-HFW2431TP-ZS-S2	Dahua Technology DH-IPC-HFW1220S
Contact manufacturer	Contact	Contact	Contact	Contact
	Sony SNC-RZ25P	Dahua Technology DH-IPC-HFW2431DG-4G-SP-EAU-B	Dahua Technology DH-IPC-HFW2431TP-ZS-S2	Dahua Technology DH-IPC-HFW1220S
Contact manufacturer	Contact	Contact	Contact	Contact
Chip Inch Size	1/4	1/3	1/3	--
Colour Type	Colour / Monochrome	Colour / Monochrome	Colour / Monochrome	--
Resolution	460	4MP	4MP	2 MP
Specialist Type	PTZ	--	--	--
Sensitivity Lux	0.7	0.01 Lux@F1.6 (Colour,30IRE), 0.001 Lux@F1.6 (B/W,30IRE), 0 lux (Illuminator on)	0.008	--
Auto Iris	✔	--	--	--
Direct Drive	✔	--	--	--
Voltage	12 V DC / 24 V AC	MicroUSB / 5 VDC	12 V DC, PoE	12 V DC, PoE
Motion Activated	✔	✔	✔	--
Focal Length mm	4.1 ~ 73.8	2.8 mm; 3.6 mm; 6 mm	2.7 ~ 13.5	3.6
Picture Elements HxV	640 x 480	--	--	1920 x 1080
Auto Gain Control	✔	✔	✔	✔
S/ N (Signal/ Noise) Ratio dB	> 50	>56	>56	> 50
Signal Mode	PAL	--	PAL	--
Mount Type	--	Wall, Pole	Pole	--
Wide Dynamic Range	--	✔	✔	--
Image Frame Rate	--	25/30 fps	25/30 fps	30fps
Back Light Compensation	--	✔	✔	✔
White Balance	--	✔	✔	✔
Electronic Shutter Range	--	Auto/Manual 1/3 s–1/100,000 s	Auto/Manual 1/3 s–1/100000 s	1 ~ 1/100,000s
Digital (DSP)	--	--	--	✔

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