This outdoor digital timer turns outdoor appliances on and off up to 20 times per day and saves energy with weekly repeatable settings. Features to the minute digital settings, countdown function, and a random setting. 3/4-horsepower timer is specially designed to work with patio or garden fountains, pumps, bug zappers, car heating accessories, outdoor lighting, and other heavy-duty outdoor appliances. Manual override button allows use of outlet without deleting any programmed settings. In case of power outage, timer retains settings with a self-charging battery back-up. Compatible with compact fluorescent lighting and LED (light emitting diode) bulbs. 15A (amp)/1875W (watt) Resistive, 15A/1875W Tungsten, 8A Ballast.