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 -45°C to 70°C (-50°F to 160°F)