Image sensor: 1/4-inch color Sony CCD Scanning system: PAL and NTSC Minimum illumination: 0.8Lux Signal-to-noise ratio: more than 48dB Video output: 1.0Vp-p, 75 Ohms AGC: auto White balance: auto BLC: auto Exposure mode: EE Electronic shutter: 1/50 (1/60) to 1/100,000 seconds Synchronization system: internal Lens: C/CS Main processor and image format: Hi3510, 32Bit, ARM926+DSP/H.264 Video output: 1CH complex video, PAL/NTSC, 1CH CCD/CMOS sensor digital video port Video resolution: PAL: 352 x 288 (CIF), 704 x 288 (2CIF), 704 x 576 (D1) NTSC: 532 x 240(CIF), 704 x 240 (2CIF), 704 x 480 (D1) Adjustable video data: brightness, hue, contrast, saturation and image quality Code stream format: pure video code stream or audio complex stream Video frame rate: PAL: 1 to 25frames/sec NTSC: 1 to 30frames/sec Video compression rate: 16Kbit/s-8Mbit/s Video output: 1CH complex video output Audio input: 1k/1CH linearity input Audio format: G7.26 Audio output: 1CH output Audio talk-back input: 1CH microphone input Supports TCP, UDP, IP, HTTP, FIP, SMTP, DHCP, DNSm, and RTP protocols System port: 10Base-T/100Base-TX Ethernet port, 1RS485 port, 1 RS232 port, WiFi port (802.11b/g wireless internet), SD card port, USB port Alarm input: 1CH on/off input, supports NO (always on) or NC (always off) Alarm output: 1CH on/off input, 120VCA 1A/240VDC 1A Power supply: 12V DC Max. power consumption: less than 1.2W Operation humidity: 10 to 85 percent Operation system: Microsoft Windows 98/ME/2000/XP/2003 Microsoft Internet Explorer 5.x or above Operating temperature: -10 to 50 degrees Celsius Working current: 300mA