Push Button, Type Green Mushroom, Switch Action Momentary/Timed, Material Plastic, Finish Stainless Steel, Depth 2 1/4 in, Height 5 in, Width 2 3/4 in, Button Color Green, Color Silver/Green, Button Dia. 1-1/2 in, Rating 2A @ 28V 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 Face Plate, Pneumatic Switch