Video Compression format: MPEG-4 Signal system: PAL or NTSC Frame Rate: PAL: 25fps,NTSC: 30fps Resolution: PAL：D1(720 x 576), CIF(352 x 288), FIELD(720 x 288), QCIF(176 x 144) Video Adjustment: brightness, contrast, chroma, saturation Sensor: 1/4 SONY CCD Horizontal Resolution: 420 line Minimum illumination: 0.1 LUX/F1.2 S/N ratio: >48dB Shutter speed: 10 times optional zoom, f=4.1-73.8mm White balance，backlight balance PAL：1/50s- 1/100,000s NTSC：1/60s -1/100,000s Video output: Auto Focus: manual/auto Lens: 10 times all in one Nightvision: No Audio: Processor: One way audio Audio gain: （AGC） Network network interface RJ-45: 10/100Mb self-adaptable Ethernet slot Delay time: < 500 MSEL(0.50 second) in lan Network procotol: TCP/IP、HTTP、ICMP、DHCP、FTP、SMTP、PPPoE etc. Wireless: 802.11b/g WIFI standard wireless network card inside RTSP: Support RTSP 3G cell phone monitor( support Nokia Sybiam S60 System, Windows mobile system） Simultanious visitor: Support 15 direct visitors at the same time，but no limitation when using forwarder Server. Network procotol: Dynamic IP address,Static IP address, PPPOE Other material: Plastic Use environment Indoor use Power: DC12V 2A Temperature: -10~50 °C Humidity: 95% RH Item size：145 x 125 x 120mm（L x W x H） Packaging: Size：170 x 170 x 170mm （L x W x H） Weight: Net：540, Gross：1100 Attachment: Adaptor, Disc（including introduction）, Manual, bracket System System deployment: Microsoft Win98 SE/ME/2000/XP, Vista, Internet Explorer 5.0, NET4.5 or above Alarm: Input/output: 2/2 Alarm detector: Motion detection setting Intelligent Motion detection: support 16 Regional Motion Detection Alarm action: support Email photo、FTP photo、FTP video、message,etc.alarm Certification: ISO, CCC, FCC, CE