Access Control Keypad Access Type Keypad and Proximity Card Reader Interface Wiegand Case Material PNT Polymer Series aptiQ Height 5 7/64 in Width 3 1/4 in Depth 49/64 in Number of Keys 12 Power Required 5/16V DC Operating Temp Range -40 Degrees to 158 Degrees F Max Proximity Range 5 in Standards ISO 14443A 14443B 15693