Proximity Reader Type Wall Mounted Switch Action Momentary Material Plastic Finish Unfinished Depth 5/8 in Height 4 3/16 in Width 2 61/64 in Button Color No Button Color Black Button Dia No Button Input Voltage 10 to 14V DC Amps AC 110mA @ 10 to 14V DC Operating Temp -40 Degrees to 149 Degrees F Event Audit Trail No Keypad No Cylinder No For Use With Access Control Systems Includes Mounting Hardware