1,Excellent rfid guard tour system 2,Waterproof &Durable 3,USB Communication 4,10 meters ... .2,Storage:60,000 records3,USB Communication:no need to install USB driver,high speed data download.4,Power:3. ... sealed in the PVC case,waterproof and shock-resist,easy to install,durable,can be buried under wall,unmodifiable and unique ... Inventory, Asset tracking etc... Competitive rfid guard tour control system