Unlock a better world of security. The Digital Deadbolt is a weatherproof keyless entry system that can be installed in your entry door, gate, garage door, or anywhere around your home or business that requires additional security. Since no electricity or batteries are required to use this mechanical deadbolt lock, you can be assured that your home or business will be safe. Easy Installation Simply remove your existing deadbolt and replace it with the Digital Deadbolt with minimal modifications. This deadbolt lock comes with all mounting instructions, hardware, and trim plates needed to fit most any door application. To open, just type in your secret code and turn the knob to retract the deadbolt. Programming Codes Codes can easily be changed in minutes. Just remove the code tumbler cover from the lock back, rearrange the tumblers to the desired code, and replace the cover. Additional Colors Available The Digital Deadbolt is also available in Brass, Antique Brass and Satin Chrome.