Up to 30 frames per second in all resolutions ranging up to 720 x 480 pixels Up to 10 viewers can directly access the camera simultaneously Supports remote software upgrade safely function Image sensor: 1/4-inch Sony super HAD (CNB-220L) TV system: PAL and NTSC Horizontal resolution: 480TVL Sensitivity: 1.0 lux (color) and 0.01 lux (B and W) Lens: 22x optical, 10x digital zoom S/N ratio: up to 48dB Dome angle: Level: 360° Vertical: 180° Speed: Level: 0.1 to 150°/second Vertical: 0.1 to 100°/second Size: 7 inches Video compression: H.264 baseline profile at level 2.2 Video definition: PAL: 352 x 288 pixels (CIF), 704 x 288 pixels (2 CIF), and 704 x 576 pixels (D1) NTSC: 352 x 240 pixels (CIF), 704 x 240 pixels (2 CIF), and 704 x 480 pixels (D1) Video parameters: Video frame rate: PAL: 1 to 25 frames/second NTSC: 1 to 30 frames/second Video compression bit rate: 16Kbps to 4Mbps Audio input: one channel and linear input Audio compression: G.726 Audio talk-back: one channel and microphone input Supported protocols: TCP, UDP, IP, HTTP, FTP, SMTP, DHCP, DNS, ARP, ICMP, POP3, NTP, IPsec, UPNP, RTP, and RTCP System interface: 10/100M self-adapting Ethernet port, 1 RS485 port (supports transparent protocols) Alarm input: one channel on/off input, supports NO (normally open) or NC (normally close) sense Input power supply: 12V DC, 2A Maximum power: less than 20W Operating temperature: -10 to +55 degree Celsius Operating humidity: 10 to 85% System requirements: Operating system: Microsoft Windows 98, ME, 2000, XP, and 2003 Browser: Microsoft Internet Explorer 5.X or above Net weight: 4kg Gross weight: 9kg Dimensions: 230 x 300mm Box dimensions: 550 x 310 x 230mm