Image sensor: 1/2.5-inch CMOS sensor and 500 megapixels (color) Video compression: MPEG-4/JPEG Double bit rate: 960 x 720 at local DVR and 320 x 240 at remote view Video resolution: 960 x 720 (25fps) PAL and 960 x 720 (30fps) NTSC Exposure mode: automatic exposure and white balance Lens interface: CS Varifocal lens: 6, 8, 12, and 16mm (optional) Minimum illumination: 0.1 lux/F1.2 Streaming format: synchronized audio and video Video frame rate: 25fps (PAL) and 30fps (NTSC) Video compression bit rate: 640Kbps and 4Mbps Audio input: 1 x microphone Audio compression: G721 Protocols: TCP, UDP, IP, HTTP, FTP, SMTP, DHCP, DNS, ARP, ICMP, POP3, and NTP Communication interface: RJ45 and 100M self-adaptive Ethernet interface Power input: 12V DC and 1A or POE Power consumption: 6W maximum Working temperature: -10 to +55°C Storage temperature: -20 to +70°C Working humidity: 10 to 85% O/S: Montavista Linux