technical parameters : composite video input video,PAL or NTSC - ;BNC interface level : 1.0Vp-p impedance :75  PAL:352*288 video compression H.264 video resolution (CIF).704*288 (2CIF) ;

NTSC:352*240 (CIF).704*240 (2CIF) video parameter adjustment of brightness, color, contrast,saturation and image quality bitstream option type composite video streaming audio and video streaming video frame rate or PAL :tenth-25 frame / sec ;

NTSC :1/10-30 frames / s video compression rate 16Kbit/S~2Mbit/S video output composite video-1,PAL or NTSC - ;BNC interface level : 1.0Vp-p, Impedance : 75 .Real-time audio output monitoring the importation of four road picture, RCA interface linear input impedance :1K  MP3 audio compression Audio Output-1, RCA interface, and voice feedback input one output linear pathMIC adaptive interface communication interface one 10M/100M Ethernet port, one RS485 mouth.one RS232 interface; and built a variety of high-speed signal decoder agreement and support transparency;

802.11b/g wireless network support;

support CDMA 1X, GPRS mobile networks;support for mobile video surveillance report that four Switch Input and output are always two police often set up road can be closed off output.1A/24VDC 1A AC 100 ~ 120VAC input power supply.50-60 less than the maximum power of the work of TiO2 operating temperature -10  C ~ +55 Humidity 10 ~ 85% of the size 180mm (L) * 50mm (H) * 110mm (D)