... 19",22" 3.Memory playing function, TV tuner 4.DC 12/24V Description of Product:1.Bus Multi-media Video System2 ... 19",22"3.Memory playing function, TV tuner4.DC 12/24V Hard disk player specifications Panelfixed panel 1 DIN standards installation sizeProgram ... inputSD card functionpanel can insert SD card playEditorialUSB/SD/hard disk card program mutual copy mutual delete functionWorking voltageDC12/24 V ...