... thermal printer,operates via GSM/GPRS network GSM/GPRS wireless telephone pos,user-friendly designSpecification:CPU32 bit ARM7 CPUMemoryNandFlash ... in 58mm thermal printerHigh speed up to 70mm per secondCommunicationsGPRS wireless module, support GPRS/USSD1 GSM SIM card slot, ... C~ 45°CHumidity: up to 80%, non-condensingPower9V 3A DC Adapter, 8.5V 2200mA Li-ion batteryDimensions20.2cm (L) x21cm ...