The Defiant Castle Compact Touch is a modern electronic single cylinder deadbolt designed for residential exterior doors. Featuring a sleek satin nickel finish and a zinc construction, this keyless entry system offers a backlit keypad for enhanced visibility and supports up to 1 master code and 10 unique user codes. It includes user-friendly features such as automatic relocking with an adjustable delay, a vacation mode for temporary code deactivation, and a low battery indicator. This ANSI Grade 3 security lock is designed for easy DIY installation on standard doors with a thickness of 1-3/8 inches to 1-3/4 inches and requires no hard wiring, operating on 4 AA batteries. Two manual backup keys are included, and the cylinder is rekeyable to match existing KW1 keyways