The latch is spring loaded and will lock automatically when the door is closed. The latch bolt has a deadlocking plunger feature to prevent unlawful shimming of the latch. The lock comes with two code plates, installed back to back, to provide coded access in both directions.
 
Features
Suits 35-65mm thick doors
Weather resistant PVD
Non handed units, reversible mortice latch
Protective clutch mechanism
Digital keypad for entry/exit
SC Finish