... compressions,GPS,black box,mass storage hard disk. Widely used for security and surveillance in the domain of Mobile,Steamship,Train,etc. Feature ... /audioReal-time resolution : 720*576D1Surveillance: 1 picture / 4 picturesShielding region can be setCompression : MPEG 4Compress Resolution: PAL:50f,NTSC:60f,4channels H ...