Automatically turn off appliances, lamps and electrical devices after a preset interval with the press of a button. Has 6 preset times (15m, 30m, 1hr, 2hr, 4hr, +) and lighted buttons for easy reading. Optional override "ON/OFF" button for continual "ON" use. One 2 prong polarized outlet. 15A 125V, 1000W Tungsten, 500VA electronic ballast, 1/2 HP 120V 60Hz, 8.3A ballast. Indoor use only. UL listed.