D-Link DCS-5220. Maximum resolution: 640 x 480 pixels. Viewing angle, horizontal: 270°, Viewing angle, vertical: 90°, Camera shutter speed: 1/60 - 1/15000s. Sensor type: CMOS, Optical sensor size: 1/0.157 mm (1/4"). Supported network protocols: TCP/IP, RTSP, RTP, RTCP, HTTP, SMTP, FTP, NTP, DNS, DHCP, UPnP, DDNS. Audio formats supported: AAC