Emtek 8375 Neos Deadbolt - Modern Brass - Double Cylinder Cylinder Keyway:Schlage Keyway (Standard) an auxiliary key lock that

an auxiliary key lock that has two keys and an escutcheon plate with additional spring-loaded relocking device to protect against punch attacks and a tempered glass relocking device to protect against torch attacks with remotely and randomly placed cross locking bolt and thermal cords

Thumbturn rotates back to vertical position automatically

Interlock Keeper Black with dust cap

Outside lever retracts latch bolt unless outside lever is locked by operating toggle button

Bluetooth Smart Lock 854-999

Emtek 8375 Neos Deadbolt - Modern Brass - Double Cylinder Cylinder Keyway:Schlage Keyway (Standard) an auxiliary key lock thatEmtek 8375 Neos Deadbolt Modern Brass Double Cylinder Schlage C Keyway Single Cylinder Deadbolt Includes extension collar for thin doors Standard Door Prep and Installation Solid Brass Cylinder, Housing, Collar, Thumbturn, and Rosette Hardened Steel Bolt Heavy Gauge Steel Understrike Brass Trim Strike Shipped with Every Deadbolt Handing Not Required Standard door thickness of 1 3 4". Specify if thicker. EMPowered fits door thickness up to 2 1 4".