Push to Exit Button, Type Emergency, Switch Action Momentary, Material Stainless Steel, Depth 1 3/4 in, Height 4 1/2 in, Rating 3A, Input Voltage 12 or 24V DC, Output 1 SPST, 3A@30V DC, Standards Grade 1, UL listed, Includes Mounting Hardware, Features 30 sec Timer Once Button is Pushed for The Door to Release