Product Description The Intermatic Ff5M Is A 5Minute Commercial Auto off Timer In A Brushed Metal Finish. It Replaces Any Single Or Multigang Standard Wall Switch. This Model Does Not Require Electricity To Operate. It Has A Time Cycle Of 5 Minutes. Additionally, The Timer Automatically Limits The On Times For Lighting, Heaters, Fans, Motors, And Other Energy Consuming Loads. There Are Models With Limits Of 15, 30 And 60 Minutes And 2, 4, 6 And 12 Hours Are Available. Thanks To An Easy "Press on" Knob Design And Time Saving "Up Front" Terminal Connection, The Installation Process Is Quick And Easy. In Order To Provide Easy Selection Of The Time Setting, This Model Includes A Plate With A Spiral Time Scale And A Knob. The Switch Configuration Is Spst. Also, The Timer Does Not Have A Hold Feature. This Model Is Cfl Compatible. From the Manufacturer These energy saving timers use no electricity to operate. These timers are designed to replace any standard wall switch, single or multi-gang, and automatically limit the "ON" time of fans, lights, motors, heaters and other energy consuming loads. Supplied with a molded white time dial plate designed to fit either toggle or decorator style switch plates; single or multi-gang with no field modifications required to fit either style switch plate. Time saving "up front" terminal connection with teeter type terminals and an easy "press-on" knob design ensure quick and easy installation.