Kantech P10SHL XSF/26bit Clamshell Proximity Card (50 pack)
Clamshell style, non printable card.  Dual encoded cards:  Kantech eXtended Secure Format (XSF), and 26-bit Wiegand format (W26) Typical read range:- P225/P225KP up to 16.61 cm (6.54 in)- P325/P325KP up to 20.83 cm (8.20 in)- P600 up to 73 cm (29 in)- Card dimensions: 8.57 x 5.4 x 0.18 cm (3.375 x 2.125 x 0.070 in.)- Card construction: White ABS and PVC- Operating temperature -45C to 70C (-50F to 160F)