Push Button, Type Surface Mounted, Switch Action Momentary, Material Plastic, Finish Stainless Steel, Depth 2 1/4 in, Height 5 in, Width 2 3/4 in, Button Color Green, Color Silver/Green, Rating 4A @ 24V DC, Input Voltage 12 to 24V AC/DC, Output SPDT, Operating Temp. 15 Degrees to 120 Degrees F, Event Audit Trail No, Keypad No, Cylinder No, For Use With Access Control Systems, Electro-Magnetic Locks, Exit REX Applications, Includes Collar Ring, Face Plate