Most user friendly and versatile strike in the market. Designed for mediem-duty applications, this all-in one electric strike offers dual volta- ge and field selectable fail secure/fail safe operation. The latch cavity accommodates cylindrical locksets with a 1/2"to 5/8" throw (5/8" requires 1/8" door gap) in wood or aluminum frames. Monitoring included as standard and Bulit-in electronic (Buzzer). The standard ANSI lip in effeff electric strikes accommodates a 1-3/4" thick door which closes flush with the jamb. Where door/jamb relationship is different, one or more strike lip adaptersmay be added.