Hikvision DS-2CD1221-I3 2.0MP IP Bullet Camera,Image sensor 1/2.8″ Progressive Scan CMOS. Lens 4mm. Viewing Angle 83degree (Horizontal). Video format H.264, MJEPG. Resolution 1920 x 1080. Protocols TCP/IP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, RTCP, NTP, UPnP, SMTP, SNMP, IGMP, 802.1X, QoS, IPv6, Bonjour. Dimensions 147.5 x 78.2 x 92.9mm. Others Dual stream, Up to 2.0 megapixel high resolution, IP67 weather-proof protection, PoE optional, Weight: 350gm, 1 RJ45 10M/100M self-adaptive Ethernet port, Day &Night: IR cut filter with auto switch, Lens Mount: M12, Shutter Speed: 1/3 s to 1/100,000 s.