1,Excellent rfid guard tour system 2,Waterproof &Durable 3,USB Communication 4,10 ... also can light and vibration.( optional in software)6,Low power consumption: standby power 0.8mA,Once full charge can supports 10 ... ,000 readings 7,Automatic alarm when low power or storage full.8,Withstand 4000Vstatic electricity shock.9 ... , Asset tracking etc... Competitive rfid guard tour control system