Century 12 Hour Mechanical Countdown Timer with Grounded Pin - Energy Saving TURN-DIAL OPERATION: Simply spin the dial to start the countdown FULLY ADJUSTABLE: Choose any countdown time between 15 minutes and 12 hours. MANUAL ON MODE: Flip the switch to the On position to keep the timer on ADAPTABLE USES: Great for hot irons, hair tools, coffee machines, cell phone chargers, crafting tools, fans, lights, seasonal dcor, desk lamps, and more SAFE & RELIABLE: ETL listed, and conforms to UL Std. no. 917. Rated 125V, 60Hz, 1875W/15A General Purpose, 15A Resistive, 8A Tungsten, 1/2 HP, TV-5