1,RFID Attendance management system 2,Waterproof &Durable 3,USB Communication 4, ... quality!HUA-101 Super durable rfid guard tour management system1,Completely water-proof and shock-resist,built-in silicone ... (mm)10,Weight:165g11,Capacity::16MBHUA-101 PhysicalCompletely water-proof and shock-resist,built-in silicone layer, ... Goods issue, Inventory, Asset tracking etc... RFID Attendance management system