Video input: 1 channel Audio input 1 channel (optional) Resolution (pixels): D1: 720 x 576 CIF: 352 x 288 QCIF: 176 x 144 Video format: MPEG-4 Compression ratio: 10:1 to 200:1 (typical 30:1) Frame ratio: NTSC: 30fps PAL: 25fps Audio format: ADPCM Network protocol: TCP, IP, HTTP, ARP, RARP, ICMP, DHCP, FTP, and SMTP Interface: 10/100M base-T LAN (RJ-45) Image sensor: CCD 1/3-inch Sony CCD and 420TVL (optional) Shuttle automatic: 1/50 to 1/120,000 seconds Minimum scene illumination: 0.3 Lux at f1.2 White balance: automatic Gain: automatic S/N ratio: >50dB Lens: lens control manual iris DC iris lens supported (optional) Lens mount: C/CS Focal length: 16mm (optional) Infrared distance: 12 meters Alarm motion detection PTZ Pelco-P, Pelco-D and B01 Power consumption: 12V DC and 7W