Emtek Sandcast Bronze Keypad Deadbolts. Residential Keyless security has never looked better and been more affordable! Leave your keys behind when you walk the dog or go for a bike ride! Never get locked out again! Fits any door between 1 3/4" to 2 1/4" thick with a 2 1/8" bore standard door prep. Easily installs with only a phillips head screwdriver. 2 Unique, secure user codes programmed for use right out of the box. Can be programmed with 20 user codes of your choice. Codes can be added and deleted. Illuminated keypad for easy and quick operation after dark. Low battery indicator lets you know when it's time to change the battery.