The Defiant Touchscreen Electronic deadbolt is the latest addition to the Defiant family, providing great convenience, uncompromised security and yet very easy to install. The touchscreen series deadbolt meets all ANSI Grade 3 quality standards including operating cycles of over 150,000 times. It replaces your mechanical deadbolt and only takes a Phillips screwdriver to install in minutes. The great conveniences you will enjoy include 1-touch activation and locking, automatic re-locking at a delayed time of your control. You can also manage access authorization to disable individual user PIN codes as you wish. You can call our toll free number for service.