Intermatic EI230W 2/4/8/12 Hour SPST 1800-Watt Electronic In-Wall Countdown Timer, White

This energy saving timer is designed to replace any standard toggle style wall switch, single or multigang, and automatically limits the "ON" time of lighting loads. This compact solidstate design with silent, stateoftheart technology provides 2way operationimmediate switch "OFF" or a timedelayed "OFF" after 15 minutes. To restart timer, simply switch to "OFF" for one second then move toggle switch back to TIMER position. A blocking plate, supplied with the timer, may be used to eliminate permanent "ON" mode for timed "ON" use only.Additional Information:#149; Manufacturer Instruction Sheet (PDF File)