Touch screen
Multi-touch capacitive touch screen
Operating System
Android 5.5.1 system
Memory
2G Bytes DDR3L SDRAM
Expansion slots
SD card slot , Max up to 32GB
COM
2*RS232 COM, 1* RS232 ( test port )
Power supply
DC 18V~30 Input , kindly suggest DC12V or 24VDC power input