Digital Keypad Single Locking Cylinder Deadbolt in Brass Finish Durable hardware door locks, door hardware One touch locking with automatic relocking feature No hard wiring, Easy to install, works of 4 AA Alkaline Batteries ( Batteries not included) Six programmable user codes; Illuminated keypad with LED visual and audio indicators Manual key override ( 2 keys included); Low Battery Indicator; Brushed Nickel Finish Lockout feature; Non-handed - works on both right and left hand doors; One Year Warranty