This HID DuoProx II Card delivers proximity, magnetic stripe and photo ID technologies on a single durable access control card. The DuoProx II card is the same size and thickness of a standard credit card and features a 2.5¢â‚¬Â to 20¢â‚¬Å“ read range, 125 kHz transmit frequency and PVC construction. The printable proximity card features a graphics quality surface that¢â‚¬s ideal for photo ID printing. The card also offers card slot options: horizontal or vertical orientation. Pack contains 50 pieces.