1,RFID Attendance management system 2,Waterproof &Durable 3,USB Communication ... :no need to install USB driver,high speed data download.4,Power:3.6V lithium battery,rechargeable5,Light and ... success read, also can light and vibration.( optional in software)6,Low power consumption: standby power 0.8mA,Once full ... , Safety, Goods issue, Inventory, Asset tracking etc... RFID Attendance management system