IP cameras Comparison: Hikvision, Bosch (4)

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	Hikvision DS-2CD4A25FWD-IZH	Bosch NTI-50022-V3	Bosch NBN-498-11P	Bosch NWC-0455
Contact manufacturer	Contact	Contact	Contact	Contact
Chip Inch Size	1/3	1/3	1/3	1/3
Colour Type	True Day / Night	True Day / Night	Colour / Monochrome	Colour
Resolution	2MP	2 MP	540	540
Digital (DSP)	✔	✔	--	✔
Sensitivity Lux	0	0.0	0.006	0.12
Auto Iris	✔	✔	--	✔
Voltage	12 V DC/PoE	12 V DC	24 V AC, 12 V DC, PoE	11~36 VDC / 12~28 VAC
Motion Activated	✔	✔	--	--
Focal Length mm	2.8 ~ 12	3 ~ 10	--	--
Picture Elements HxV	1920 × 1080	1952 x 1092	752 x 582	752 x 582
Image Frame Rate	60fps	30 fps	--	25 / 30
Inclusion DVR/ Web Server	✔	--	--	--
Auto Gain Control	✔	--	✔	--
Specialist Type	--	Infrared	Network	Network
Direct Drive	--	✔	--	✔
Wide Dynamic Range	--	✔	--	✔
Back Light Compensation	--	✔	✔	✔
White Balance	--	✔	✔	✔
Electronic Shutter Range	--	1/25[30] ~ 1/150000s	1/50 ~ 1/10,000	1/50 ~ 1/125,000
S/ N (Signal/ Noise) Ratio dB	--	> 50	50	50
Lens Mount	--	--	C/CS	--
Synchronisation	--	--	Internal, Line Lock	--
Signal Mode	--	--	PAL	PAL, NTSC

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