Designed for use with Adams Rite deadlatches or cylindrical locksets with 1/2" [12.7 mm] to 5/8" [15.9 mm] latch bolt projection. For use in aluminum, hollow metal, or wood applications. Function: Remote electrical control of any door equipped with an Adams Rite 4500, 4700 (discontinued), or 4900 Deadlatch or cylindrical lockset with 1/2" [12.7 mm] to 5/8"[15.9 mm] latch bolt projection. Electrical actuation unlocks the keeper, releasing the latch bolt so the door may be opened without operating the latch itself. Main Features Bolt retaining keeper is stainless steel. Basic strike has lip of proper length for 1-3/4" [44.5 mm] thick door that closes flush with jamb edge. 24V AC Continuous or Intermittent voltage operation Current Draw/Amps for 24V operation: AC Intermittent - 1.42A