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 ... issue, Inventory, Asset tracking etc... Competitive rfid guard tour control system