Proximity Reader Type 125 khz HID Proximity (Up to 91 Bits) Switch Action Genuine HID Technology Material Stainless Steel Finish Stainless Steel Depth 1 in Height 4 1/2 in Width 2 3/4 in Button Color Red/Green Color Gray Rating IP66 Input Voltage Field Selectable 5V DC or 12V DC Output Wiegand Operating Temp -40 Degrees to 180 Degrees F For Use With Access Controls