1-1/4 in, Input Voltage 125V AC, Output Form Z Relays, Amps AC 10, Event Audit Trail No, Keypad No, Cylinder No, Standards NFPA 101, For Use With Magnetic Locks, Includes Plate, PN Switch Button, Plate, PN Switch, Type Single Gang, Switch Action Momentary, Material Stainless Steel, Finish Satin Chrome, Depth 1 1/4 in, Button Color Silver, Color Silver, Button Dia.