Level Lock Touch Edition C L12U Single Cylinder Deadbolt Smart Level Lock and Bluetooth Capacitive Satin Nickel Finish LFIC Aftermarket Emergency Key Included: EKB GM 1535 Aftermarket Emergency Key Included: EKB GM 1535 P2P Self adaptive Scene Support Streaming Method Unicast Multicast Maximum User Access 20 Users (total bandwidth: 64 Mbps) Edge Storage Network Attached Storage (NAS) It also features Schlage C Keyway and Adjustable Backset in Satin Nickel Finish Category Residential Electronics Dimension 2 4 5" x 2 4 5" x 4 1 2" Function Proximity Locking Subcategory Proximity Deadbolts Finish Satin Nickel Strike Deadbolt Strikes Backset Adjustable 2 3 8" or 2 3 4" Backset Crossbore Size 2 1 8" Bore Door Range 1 3 4" to 2" Door Thickness 1 3 4" to 2" Electronic Communication Type Bluetooth Hazardous Material NO Keyway Schlage C Keyway Latch Faceplate Dimension 1" x 2 1 4" Manufacturer Warranty Limited 2 Year Warranty No Of Inners 1 Strike Dimension 1 1 8" x 2 1 4" and 1 1 8" x 2 3 4"