Proximity Reader, Type Mullion Frame Mounted, Switch Action Momentary, Material Plastic, Finish Unfinished, Depth 25/64 In., Height 3-13/32 In., Width 1-13/32 In., Button Color No Button, Color Black, Button Dia. No Button, Input Voltage 5 to 14 VDC, Amps AC 50mA @ 5 to 14VDC, 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