![hikvision darkfighter hikvision darkfighter](https://i.ytimg.com/vi/moHtTgRRsJo/maxresdefault.jpg)
H.264 Type Baseline Profile/Main Profile/High Profile.Network Interface 1 RJ45 10 M/100 M Ethernet, PoE+ (802.3 at, class4).Security Measures User authentication (ID and PW), Host authentication (MAC address) HTTPS encryption IEEE 802.1x port-based network access control IP address filtering.Web Browser IE 8 to 11, Chrome 31.0 to 44, Firefox 30.0 to 51.User/Host Up to 32 users,3 levels: Administrator, Operator, and User.Simultaneous Live View Up to 20 channels.API Open-ended, support ONVIF, ISAPI, and CGI, support HIKVISION SDK and Third-Party Management Platform.Protocols IPv4/IPv6, HTTP, HTTPS, 802.1x, Qos, FTP, SMTP, UPnP, SNMP, DNS, DDNS, NTP, RTSP, RTCP, RTP, TCP/IP, UDP, IGMP, ICMP, DHCP, PPPoE, Bonjour.Network Storage Built-in memory card slot, support Micro SD/SDHC/SDXC, up to 256 GB NAS (NPS, SMB/ CIPS), ANR.Image Enhancement HLC/BLC/3D DNR/Defog/EIS/Regional Exposure/Regional Focus.Focal Length 4.8 mm to 120 mm, 25× optical zoom.Working Distance 10 mm to 1500 mm (wide-tele).FOV Horizontal field of view: 59.5° to 2.6° (Wide-Tele), Vertical field of view: 35.7° to 1.5° (Wide-Tele), Diagonal field of view: 66.6 to 3.0° (Wide-Tele).