This ADI PRO all in one strike is fire-rated and compatible with all standard mortise and cylindrical locksets. It delivers unparalleled security and adaptability, featuring five robust stainless steel faceplates, field-selectable voltage options, customizable fail-safe/fail-locked operation and installation hardware. It is certified to ANSI standard, Grade 1 and factory tested over 1,000,000 cycles of operation with 1,500 lbs. of static strength.