Type:Biometric Time RecordingCommunication:TCP/IP, Wi-Fi, USB Host and Client, SD Card SlotFinger capacity:6000Log Capacity:200000LCD:800*480 Pixel , Capacitive Touch ScreenFingerprint Sensor:ZK optical sensorSystem:Android 4.1RAM:RAMCPU:1.0 GHz Dual-CoreFlash:4G ByteLanguage:English Show More