| 
				Model | 
			
				DS-2CD2T55FWD-I8 | 
		
		
			| 
				Image Sensor | 
			
				1/2.9 inch Progressive Scan CMOS | 
		
		
			| 
				Signal System | 
			
				PAL/ NTSC | 
		
		
			| 
				Min. Illumination | 
			
				Color: 0.01 lux @(F1.2, AGC ON), 0 lux with IR | 
		
		
			| 
				Shutter time | 
			
				1/3 s to 1/100,000 s | 
		
		
			| 
				Slow shutter | 
			
				Support | 
		
		
			| 
				Lens | 
			
				2.8 mm, horizontal field of view: 81° | 
		
		
			| 
				4 mm, horizontal field of view: 63.5° | 
		
		
			| 
				6 mm, horizontal field of view: 50° | 
		
		
			| 
				8 mm, horizontal field of view: 33° | 
		
		
			| 
				12 mm, horizontal field of view: 16° | 
		
		
			| 
				Lens Mount | 
			
				M12 | 
		
		
			| 
				Adjustment Range | 
			
				Pan: 0° to 360°, tilt: 0° to 90°, rotate: 0° to 360° | 
		
		
			| 
				Day & Night | 
			
				IR cut filter with auto switch | 
		
		
			| 
				Wide Dynamic Range | 
			
				120dB | 
		
		
			| 
				Digital noise reduction | 
			
				3D DNR | 
		
		
			| 
				Compression Standard | 
		
		
			| 
				Video Compression | 
			
				H.265+/H.265/H.264+/H.264/MJPEG | 
		
		
			| 
				Video bit rate | 
			
				32Kbps~16Mbps | 
		
		
			| 
				Dual Stream | 
			
				Yes | 
		
		
			| 
				Image | 
		
		
			| 
				Max. Image Resolution | 
			
				2560 x 1920 | 
		
		
			| 
				Frame Rate | 
			
				50Hz: 20 fps (2560 x 1920), 25 fps (2560 x 1440, 2048 x 1536, 1920 x 1080, 1280 x 720) | 
		
		
			| 
				60Hz: 20 fps (2560 x 1920), 30 fps (2560 x 1440, 2048 x 1536, 1920 x 1080, 1280 x 720) | 
		
		
			| 
				Sub Stream | 
			
				50Hz: 25fps (640 x 360, 352 x 288) | 
		
		
			| 
				60Hz: 30fps (640 x 360, 352 x 240) | 
		
		
			| 
				Third Stream | 
			
				50Hz: 25fps (1280 x 720, 640 x 360, 352 x 288) | 
		
		
			| 
				60Hz: 30fps (1280 x 720, 640 x 360, 352 x 240) | 
		
		
			| 
				Image Enhancement | 
			
				BLC/3D DNR | 
		
		
			| 
				Image Settings | 
			
				Rotate mode, Saturation, Brightness, Contrast adjustable by client software or web browser | 
		
		
			| 
				Target Cropping | 
			
				Support | 
		
		
			| 
				ROI | 
			
				Support 1 fixed region for each stream, and face dynamic tracking | 
		
		
			| 
				Day/Night Switch | 
			
				Auto/Scheduled | 
		
		
			| 
				Network | 
		
		
			| 
				Protocols | 
			
				TCP/IP, UDP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, RTCP, PPPoE, NTP, UPnP, SMTP, SNMP, IGMP, 802.1X, QoS, IPv6 | 
		
		
			| 
				Security | 
			
				One-key reset, Anti-Flicker, heartbeat, mirror, password protection, privacy mask, Watermark, IP address filtering | 
		
		
			| 
				System Compatibility | 
			
				ONVIF (Profile S, Profile G), PSIA, CGI, ISAPI | 
		
		
			| 
				Interface | 
		
		
			| 
				Communication Interface | 
			
				1 RJ45 10/100Mbps Ethernet interface | 
		
		
			| 
				On-board storage | 
			
				Built-in Micro SD/SDHC/SDXC slot, up to 128 GB | 
		
		
			| 
				Smart Feature-set | 
		
		
			| 
				Behavior Analysis | 
			
				Line crossing detection, Intrusion detection, Unattended baggage detection, Object removal detection | 
		
		
			| 
				Line Crossing Detection | 
			
				Cross a pre-defined virtual line | 
		
		
			| 
				Intrusion Detection | 
			
				Enter and loiter in a pre-defined virtual region | 
		
		
			| 
				Unattended Baggage | 
			
				Objects left over in the pre-defined region such as the baggage, purse, dangerous materials | 
		
		
			| 
				Object Removal | 
			
				Objects removed from the pre-defined region, such as the exhibits on display | 
		
		
			| 
				Recognition | 
			
				Face Detection | 
		
		
			| 
				General | 
		
		
			| 
				Power Supply | 
			
				12VDC ± 25%, PoE (802.3af) | 
		
		
			| 
				Power Consumption | 
			
				12 VDC ± 25%, 10 W; PoE, 12.5 W | 
		
		
			| 
				Weather Proof | 
			
				IP67 | 
		
		
			| 
				IR Range | 
			
				Up to 80m | 
		
		
			| 
				Dimensions | 
			
				Φ104.8 x 299.7 mm | 
		
		
			| 
				Weight | 
			
				1200g |