Brinks Electronic Deadbolt in Satin Nickel Finish combines traditional key access with the convenience of keyless entry technology. It features optimal auto-locking that relocks the door after opening, an illuminated keypad for increased visibility. It accommodates up to six user codes for friends, family, or house sitters. Installation is quick and easy, requiring only a regular Philips screwdriver. For those that prefer the traditional keyed entry, one is provided for emergency manual override. The Deadbolt is reversible and can be installed on right or left-handed doors for suitability. Ideal for front, back, and side doors. The Deadbolt is perfect for additional security to your exterior knob or lever.