TORK multipurpose timers give you a simple way to control automations for your home or office. Multiple modes, battery backup and professional-grade accuracy make this a versatile timer for many applications. Multipurpose Timer: Automate and control a range of indoor or outdoor loads such as lights, heaters or air conditioners, water heaters, school warning signals or traffic lights Easy to Use: The intuitive programming interface lets users set up to 56 different ON/OFF times each day in increments as small as 1 minute, with 9 customizable holiday blocks Designed for Convenience: Built with features such as a 7-day power outage backup, automatic daylight savings time adjustment and Noryl® enclosure with locking hasp Save Energy and Money: Time switches save time, energy and money by providing a convenient way to turn appliances or lights on and off Professional Performance: In-rush current limiting technology protects relay contacts for extended life with zero cross-type switching