Tanga offers the MiLocks Keyless Entry Deadbolt Door Lock with Electronic Digital Keypad in Satin Nickel, model no. DF-02SN, for $49.99 with free shipping. That's tied with our January mention, which was bundled with a magazine subscription, and the lowest total price we could find by $12. It includes an adjustable 2-3/8" or 2-3/4" latch, and holds up to six passcodes.