The 4300-20-221-313 from Adams Rite is a Steel Hawk elatch electrified lock for flat mortise strike in dark bronze. The 4300 series Deadlatch combines mechanical locking hardware with electrified access control while working within standard aluminum entrance door preparations. It is always operable from the inside via handle or paddle device. The entry is done via keyed mortise cylinder or access control element. To operate turn-key, apply voltage and operate handle or paddle to release the spring-loaded latch bolt. It is electrically rated for continuous duty for timed applications.