T5577 RFID Proximity Card With HID Proximity Card Frequency 125KHz is a type of Programmable Rewrite non-contact RFID ID Card, it can rewritable more than 100,000 times. The features of Rfid HID Proximity Card, Full Printable , Moisture-proof, Shock-proof, High temperature resistance. Feature： RF-programmable Format: H10302 Universal compatibility with HID prox readers External number provides easy control and identification Extremely consistent read range Conveniently fit into a purse or wallet System administration is made easy with a cross-reference list correlating the external card number and the programmed ID number Over 137 billion unique codes Durable, strong, flexible and resistant to cracking and breaking Include a slot punch to accommodate a strap and clip when used as a photo ID badge The cards are sequentially select Card Range: 10021202914 - 10021203013. You will receive any number between this range