... and Linux operating system, combined with H.264 video / audio compression / decompression, connecting 4 channel cameras, builting in 3G,GPS,G-sensor ,wi ... (be up to 2 way video D1,2 way video CIF real time recording) 2012 new 4 channel car mobile DVR SPEC. PARAMETERPERFORMANCE ... inputs: 1.0Vp-p,75Ωvideo output1 channel PAL/NTSC output, 1.0Vp-p,75Ω,video display1/4 screen displayvideo standard PAL, 100 ...