Image sensor: 1/4-inch CMOS sensor Lens: f=4.5mm, F=2.0, fixed iris Infrared LED: with 8pcs Infrared LED, automatically triggered in dark Resolution: VGA (640 x 480 pixels)/QVGA (320 x 240 pixels) Compress format: M-JPEG Frame rate: 30fps under good bandwidth condition Pan/tilt: vertically 70, horizontally 350 Dual way audio: supported Alarm: one input and one output User setting: three levels Network protocol: TCP/IP, UDP/IP, HTTP, SMTP, FTP, DHCP, DDNS, UPNP, and Wi-Fi Network connections: Ethernet 10/100Base-T, RJ-45 connector Software: BSView.exe Software upgrade: supports remote upgrade Measurement: 102 x 107 x 160mm Power: 5V DC OS supported: Microsoft Windows 98/2000/XP/Vista Browser: Internet Explorer6.0 and above or Compatible Browser, Firefox, more