... 180MHzMemory8MB FLASH, 16MB SDRAMDisplay128×64 pixel LCD, white LED backlight and specific iconKeypad10 alphanumeric keys, 9 function keys ... , 1 power switch key, white LED backlightMagnetic Card ReaderCompliant with ISO7811, ISO7812; Track 1 ... 12VDC, 3ALi-polymer Battery(Optional)2150mAh, 7.4V, more than 40 hours standby time, supports 400 transactionsWorking EnvironmentTemperature: 0°C ...