Quick Details Place of Origin: Liaoning, China (Mainland) Brand Name: NKTK Model Number: Vanguard NKTK-1000V4S Colors: Orange Working Function: RFID 125Khz Reading Distance: 3cm-5cm Internal Protection Grade: IP67 Storage Capacity: 60000pcs Battery: Rechargeable/1Month With 500 Reading Per Day Software: Multi languages, Stand-alone and Web-based version Certificates: CE/RoHS/FCC/Ex-proof Dimensions: 149mm x 43mm x 35mm Weight: 243g