| 
				Model | 
			
				DS-2CD2021G1-IDW1 | 
		
		
			| 
				Camera | 
		
		
			| 
				Image Sensor | 
			
				1/2.8 inch Progressive Scan CMOS | 
		
		
			| 
				Min. Illumination | 
			
				Color: 0.01 Lux @(F1.2; AGC ON), 0.028 Lux @(F2.0; AGC ON) | 
		
		
			| 
				Shutter Speed | 
			
				1/3 s to 1/100,000 s | 
		
		
			| 
				Slow Shutter | 
			
				Yes | 
		
		
			| 
				Day & Night | 
			
				IR cut filter with auto switch | 
		
		
			| 
				Digital Noise Reduction | 
			
				3D DNR | 
		
		
			| 
				WDR | 
			
				Digital WDR | 
		
		
			| 
				3-Axis Adjustment | 
			
				Pan: 0° to 360°, tilt: 0° to 90°, rotate: 0° to 360° | 
		
		
			| 
				Lens | 
			
				2.8 mm, horizontal FOV: 114°, vertical FOV: 62°, diagonal FOV: 135° 
				4 mm, horizontal field of view: 86°, vertical FOV: 46°, diagonal FOV: 102° | 
		
		
			| 
				Lens Mount | 
			
				M12 | 
		
		
			| 
				Compression Standard | 
		
		
			| 
				Video Compression | 
			
				H.265+/H.265/H.264+/H.264/MJPEG | 
		
		
			| 
				Video Bit Rate | 
			
				32Kbps~8Mbps | 
		
		
			| 
				Audio Compression | 
			
				G.711/G.722.1/G.726/MP2L2/PCM | 
		
		
			| 
				Image | 
		
		
			| 
				Max. Resolution | 
			
				1920 × 1080 | 
		
		
			| 
				Image Enhancement | 
			
				BLC, 3D DNR | 
		
		
			| 
				Image Settings | 
			
				Brightness, saturation, contrast, sharpness are adjustable via web browser or client software | 
		
		
			| 
				ROI | 
			
				1 fixed region for main stream and sub-stream | 
		
		
			| 
				Day/Night Switch | 
			
				Auto/Scheduled/Day/Night | 
		
		
			| 
				Network | 
		
		
			| 
				Network Storage | 
			
				microSD/SDHC/SDXC card (128G), local storage and NAS (NFS, SMB/CIFS), ANR | 
		
		
			| 
				Alarm Trigger | 
			
				Motion detection, video tampering alarm, network disconnected, IP address conflict, illegal login, HDD full, HDD error | 
		
		
			| 
				Protocols | 
			
				TCP/IP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, RTCP, PPPoE, NTP, UPnP, SMTP, SNMP, IGMP, QoS, IPv6, UDP, Bonjour | 
		
		
			| 
				General Function | 
			
				One-key reset, Anti-Flicker, heartbeat, mirror, password protection, privacy mask, Watermark, IP address filtering | 
		
		
			| 
				System Compatibility | 
			
				ONVIF (Profile S, Profile G), ISAPI | 
		
		
			| 
				Interface | 
		
		
			| 
				Communication | 
			
				1 RJ45 10M/ 100M Ethernet interface | 
		
		
			| 
				Audio | 
			
				1 Built-in mic, mono sound | 
		
		
			| 
				On-board storage | 
			
				Built-in Micro SD/SDHC/SDXC slot, up to 128 GB | 
		
		
			| 
				Wifi | 
		
		
			| 
				Wireless Standards | 
			
				IEEE 802.11b/g/n | 
		
		
			| 
				Frequency Range | 
			
				2.412 GHz to 2.4835 GHz | 
		
		
			| 
				Wireless Range | 
			
				50m | 
		
		
			| 
				Security | 
			
				64/128-bit WEP, WPA/WPA2, WPA-PSK/WPA2-PSK, WPS | 
		
		
			| 
				General | 
		
		
			| 
				Power Supply | 
			
				12 VDC ± 25% | 
		
		
			| 
				Power Consumption | 
			
				12 VDC, 0.4 A, Max: 4.8W | 
		
		
			| 
				IR Range | 
			
				up to 30m | 
		
		
			| 
				Weather Proof | 
			
				IP66 | 
		
		
			| 
				Dimensions | 
			
				69.7 × 67.9 × 171.4 mm | 
		
		
			| 
				Weight | 
			
				372g |