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API: ONVIF (PROFILE S, PROFILE G, PROFILE T), ISAPI, SDK.General Function: Anti-flicker, three streams, heartbeat, mirror, privacy masks, password reset via e-mail, pixel counter, HTTP listening.
![hikvision 4k darkfighter hikvision 4k darkfighter](https://cdn10.bigcommerce.com/s-g932feltp6/products/2335/images/11449/SSR-3157A__72879.1593944203.1280.1280.jpg)
Protocols: TCP/IP, UDP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, RTCP, PPPoE, NTP, UPnP, SMTP, SNMP, IGMP, 802.1X, QoS, IPv6, UDP, Bonjour, SSL/TLS.Network Storage: Support micro SD/SDHC/SDXC card (128G) local storage, NAS (NFS, SMB/CIFS), ANR.Day/Night Switch: Day/Night/Auto/Schedule.ROI (Region of Interest): Support 1 fixed region for main stream and sub-stream separately.Image Setting: Rotate mode, saturation, brightness, contrast, sharpness, AGC, white balance adjustable by client software or web browser.12 mm, horizontal FOV: 25°, vertical FOV: 14°, diagonal FOV: 29° 8 mm, horizontal FOV: 41°, vertical FOV: 23°, diagonal FOV: 48° 6 mm, horizontal FOV: 53°, vertical FOV: 30°, diagonal FOV: 61° 4 mm, horizontal FOV: 88°, vertical FOV: 46°, diagonal FOV: 105° 6 mm, horizontal FOV: 50.8°, vertical FOV: 27.6°, diagonal FOV: 60° Image Sensor 1/2" Progressive Scan CMOS.Hikvision DS-2CD2T85G1-I5/I8 Technical Specification Camera