This singlepole, singlethrow energy saving timer uses no electricity to operate. Designed to replace any standard wall switch, single or multigang, and automatically limit the ON time of fans, lights, motors, heaters and other energy consuming loads. Has a time limit of 30 minutes. This unit is supplied with a molded white time dial plate which is designed to fit either toggle or decorator style switch plates single or multigang. No field modifications are required to fit either style switch plate. An exclusive up front terminal connection with teeter type terminals and an easy presson knob design ensure quick and easy installation. Additional Information: