Electric Strike, w/ Latch Bolt Monitor, 4.875 Inch (124mm) Face Plate, Field Selectable Fail Safe / Fail Secure, For 5/8 Inch Or 3/4 Inch Latch w/ 1/8 Inch Door Gap, 1/4 Inch Horizontal Alignment Adjustment, Plug-In Connectors, 12 VDC / 24 VAC, Stainless Steel Finish, Square Corner For Wood / Hollow Metal Frames