The Westek Designer Indoor Weekly Timer allows users to control power to lamps and appliances up to 96 times throughout the week. This allows users to program different settings for each day of the week if desired, to adjust for different usage patterns on different days of the week. Includes manual override switch and non-removable pegs that can't be lost by the user. The decorative cover hides the timer control when not in use, and makes timer blend better into room decor. Use the timer for a few indoor lights to keep you from coming home to a dark house or to give your home that lived-in appearance to help deter criminals while you are away. By limiting the amount of time your lights are on you can significantly reduce the amount of energy being used and eliminate the cost for that energy. It is a great, low-cost way to automate your lighting up to 1875W (or 15 amps) and control the amount of power they are using. Accepts 3 prong grounded plugs for heavy duty appliances. UL Listed.