Compare DH-SDT4A404-4F-QA with IPC-HFW2239M-AS-LED-B-S2 (2)

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	Dahua Technology DH-SDT4A404-4F-QA	Dahua Technology IPC-HFW2239M-AS-LED-B-S2
	Contact manufacturer	Contact manufacturer
Colour Type	Colour / Monochrome	Colour / Monochrome
Resolution	4MP+4MP	2 MP
Specialist Type	PTZ	Network
Sensitivity Lux	Panorama: 0.005 lux@F2.2 (Colour, 30 IRE); 0.0005 lux@F2.2 (B/W, 30 IRE) / Detail: 0.001 lux@F1.7 (Colour, 30 IRE); 0.0001 lux@F1.7 (B/W, 30 IRE)	0.0017
Voltage	12 V DC, PoE	12 V DC, PoE
Motion Activated	✔	✔
Focal Length mm	Panorama: 2.2 mm; Detail: 8 ~ 32 mm	3.6 mm; 6 mm
Wide Dynamic Range	✔	✔
Image Frame Rate	25/30 fps	25 fps / 30 fps
Back Light Compensation	✔	✔
Auto Gain Control	✔	✔
White Balance	✔	✔
Electronic Shutter Range	1s ~ 1/30,000 s	1/3 s ~ 1/100,000 s
S/ N (Signal/ Noise) Ratio dB	Panorama: ?55 dB ; Detail: ?55 Db	> 56
Chip Inch Size	--	1/2.8
Digital (DSP)	--	✔
Auto Iris	--	✔
Direct Drive	--	✔
Mount Type	--	Wall
Picture Elements HxV	--	1920 x 1080
Inclusion DVR/ Web Server	--	✔
Signal Mode	--	PAL, NTSC

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