The Alfred DB2 Smart Touchscreen Deadbolt is a sleek and modern Bluetooth lock for your entry doors. Featuring a digital touchscreen, customizable PIN code duration, and One-Touch access with the Alfred Home mobile app. Alfred Home allows you to access your lock from anywhere with a simple tap on your smartphone and always know who is entering your home and when. The digital touchscreen allows for easy PIN code entry. Each press on the touchscreen is followed by an audible tone to confirm entry. With Bluetooth enabled smartphone access you simply hold your smartphone up to the keypad and youre in! You can store up to 20 PIN codes at a time as well as create one-time and time-sensitive pin codes for repairmen and vacation renters. This deadbolt has no cylinder making it bump proof and prevents against tampering. You can install the Alfred DB2 in minutes, with no complex wiring or power tools.