... RAM/1 GB FlashExpansion Memory:4G TF (standard), maximum 32GInterfaces: USB 2.0,RS232Operating System:Windows Embedded CE 6.0 CoreProgram ... .5 meter, rolling by six contact surfaceFingerprintSensor type: Induction typeFunction: fingerprint enrollment, process, acquistion, compare, delete, etc.Performance: FRR<0.1 ... -5QCamera:Samsung 3.2 mega pixelsCan built-in RFID card reader, barcode scanner function