Never fear losing your keys again! Ensure the security of your home or business with a keypad deadbolt lock that doesn't require batteries or electricity. The Keyless Entry Deadbolt is a completely weatherproof mechanical door lock that releases the deadbolt when you enter your programmed code, which can be changed as often as you like. This ultra-secure lock has an anti-lock-pick feature to prevent its being opened by a thief or locksmith. The Keyless Entry Deadbolt is easy to install and use, and it fits any door, from 2 3/8" to 2 3/4". Over 10,000 combinations can be programmed, and the deadbolt carries a lifetime mechanical warranty. The Keyless Entry Deadbolt is also available in brass, chrome, black, and satin nickel.