Lockey EB915 Electronic Bluetooth Keypad Deadbolt Multi Combination w Key Override Keyless Optional Finish Finish:Satin Nickel Fiberglass or Aluminum Door Thickness Fiberglass or Aluminum Door Thickness 1 3 4" 2 1 4" Single Door Stile Fits 3 1 2: minimum stile doors with 99 surface strike Screws Machine and Self Drilling Application Designed for use on all types of single and double doors with mullions } > LIST PRICE: $195 The EB915 is powered by (4) AA batteries and supports up to six unique user codes When used with the BLE Smart Lock App the administrator can access the usage log which is recorded every time the lock is accessed using via app