Push Button Switch, Type Desk Switch, Switch Action Momentary, Material Plastic, Finish Aluminum, Width 2 1/4 in, Rating 6A @ 30V AC/V DC, Input Voltage 12 to 24V AC/DC, Output Momentary SPDT Relay, Amps AC 10, Operating Temp. 32 to 120 Degrees F, Keypad No, Cylinder No, Standards CSFM, For Use With Access Controls, Includes Mounting Hardware