ND91 Vandlgard entrance/office lock

Lever with key cylinder outside; push button in lever inside; deadlatch
In unlocked state latch is retracted by either lever
Outside is made inoperative by pushing button on inside lever; key outside does not lock, Vandlgard® allows outside lever to rotate freely when locked
Key outside or rotating inside lever retracts latch and releases button unlocking outside lever
Inside lever always free for immediate egress