... HD format 2.Output power: 4*45W 3.SD card, USB flash drives 4.Voltage: DC12V car mp5 player with ... mmc1.720P HD format2.Output power: 4×45W3.SD card, USB flash drives4.Voltage: DC12VHJ-H04ATechnical Parameters:720P HD format, RM ... left front, right front, left back, right back.SD card, USB flash drives and outlay mobile hard disk to playVoltage: DC12V ...