Versatile DynaLock 1900 Series All-in-One fire-rated (UL 10C, 3 hour) and non-fire-rated Electric Strikes accommodate mortise and cylindrical locksets, as well as mortise exit devices, with offset, or centerline latch entry and up to a 3/4 in. latch projection. The adjustable deadbolt keeper and deadlatch ramp vertically align to accommodate a wide variety of mortise locks with offset latches. A unique, sliding shim design adjusts vertically on the keeper, to provide up-to 1/8" horizontal adjustment and a "plug-in" latch monitor switch option kit may be added in the field. Field-selectable input voltage 12/24 VDC or 12-24 VAC (1921). Both models fit a HES 1006 (1003) frame cutout (hollow-metal), with no addtional modifications.