Yale YALP89DMGPB P89 Deadlock Nightlatch 60 mm Cylinder with Automatic Deadlock

Deadlocking Nightlatch operated by key from outside, ideal if property is left unattended for long periods and for properties with multiple exit points

Convenient lever handle to operate the lock from inside the property

Internal snib button is used to engage the deadlock or temporarily hold back the latch

If the nightlatch is locked from the outside, it cannot be operated from inside