Push to Exit Button, Type Push to Exit, Switch Action Momentary, Material Stainless Steel, Finish Aluminum, Width 2 7/8 in, Rating 2A @ 30 V DC, Input Voltage 12 to 24V AC/DC, Output Momentary SPDT Relay, Operating Temp. 32 to 120 Degrees F, Keypad No, Cylinder No, For Use With Access Controls, Includes Mounting Hardware