1.Mobile wheels easy to move 2.Water proof 3.Dust proof 4.Anti-Oxidant shell Panel Size55 ... Ratio2000:1Response Time6.5ms3G Model WCDMA/CDMA2000WIFI300M bit/sBluetoothVersion 4.0 Support Audio/Video Coding FormatMEPG4(AVI, DIVX, ... JPG ,BMP,GIF,PNGTerminal/Vedio outputRS-232C,USB2.0,A/V(RCC),YUV,VGA ,S-VIDEO,DVIAutomatically ... Power ConsumptionAC 100-240V/50/60Hz 300W Mobile Multimedia AD Player