Schlage L9453 Entrance/office lock with deadbolt

• Key cylinder outside; thumbturn inside; deadbolt, latchbolt and deadlocking auxiliary latch
• Latchbolt retracted by lever (or knob) from either side
• Outside lever is made inoperative when deadbolt is thrown by key outside; rotating thumbturn 20° locks outside lever only; rotating thumbturn 90° also throws deadbolt; Vandlgard® option allows outside lever to rotate freely down while locked
• Key outside retracts deadbolt and latchbolt, however, outside lever remains locked
• Rotating inside lever retracts deadbolt and latchbolt; outside lever unlocked when thumbturn is returned to vertical position
• Inside lever always free for immediate egress