| Model | Hikvision DS-2CD2121G0-I |
| Type | Dome IP Camera |
| Lens | 2.8/4/6mm fixed lens |
| Resolutions | 1920 x 1080 (2MP) |
| Working Distance | (2.8, 4mm) 20 meters, (6mm) 30 meters |
| Focal Length | 2.8/4/6mm |
| Video Type | H.265+, H.265, H.264+, H.264 |
| Image Sensor | 1/2.8 Inch Progressive Scan CMOS |
| Protocols | TCP/IP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, RTCP, PPPoE, NTP, UPnP, SMTP, SNMP, IGMP, 802.1X, QoS, IPv6, Bonjour |
| Viewing Angle. | (2.8, 4mm) 20 Meter, (6mm) 30 Meter (IR Range) |
| Dimensions | 111 x 82.4mm |
| Specialty | Line crossing detection, intrusion detection, 1 fixed region for main stream, Rotate mode, saturation, brightness, contrast, sharpness adjustable by client software or web browser, Motion detection, video tampering, network disconnected, IP address conflict, illegal login, HDD full, HDD error (Alarm Trigger), Anti-flicker, heartbeat, mirror, password protection, privacy mask, watermark, IP address filter, BLC/3D DNR/ROI, 2 Behavior analyses, Digital WDR, 2.0MP IR Fixed Dome IP Camera |
| Others | Shutter Speed: 1/3 s to 1/100,000 s, Slow Shutter: Yes, Day & Night: IR Cut Filter, Digital Noise Reduction: 3D DNR, Wide Dynamic Range: DWDR, Aperture: F2.0, Lens Mount: M12, Wavelength: 850nm, Audio Compression (-S): G.711/G.722.1/G.726/MP2L2/PCM, Image Enhancement: BLC/3D DNR, Network Storage: Support built-in micro SD/SDHC/SDXC card (128G), local storage and NAS (NFS,SMB/CIFS), ANR, Interface Audio (-S): 1 input (line in), 1 output (line out), mono sound, Communication Interface: 1 RJ45 10M/100M self-adaptive Ethernet port, On-board Storage: Built-in micro SD/SDHC/SDXC slot, up to 128 GB, Wireless Standards: IEEE 802.11b/g/n, Frequency Range: 2.4 GHz to 2.4835 GHz, Wireless Range: 50 m, Power Supply: 12 VDC +- 25%, PoE (802.3af, class 3), Protection Level: IP67, Material Front cover: plastic, base: metal, Weight: 400gm |
| Warranty | 1 year |
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