Tanga offers the MiLocks Keyless Entry Deadbolt Door Lock with Electronic Digital Keypad in several colors (Satin Nickel pictured) for $49.99 with free shipping. That's $2 under our May mention and the lowest price we could find now by $6. It includes an adjustable 2-3/8" or 2-3/4" latch, and holds up to six passcodes.