Outdoor appliances generally require more power to operate than standard indoor appliances. Items like pool and spa pumps and heaters can really run up your electricity bill each month. By using a timer to regulate the use of some of outdoor appliances, you can considerably cut down on the amount of energy being used, saving the environment and helping to keep money in your pocketbook. The Heavy Duty Outdoor Programmable Pool and Spa Time is rated to handle 110V or 220V loads and has a weather resistant casing perfect for outdoor use, making it the ideal solution for programming pool and spa pumps, heaters and lights. Additionally, this timer can be used to program the on time and off time of your fountain, garden lighting, and other heavy duty 220V appliances, so you no longer have to worry whether or not you accidentally left an appliance on. There is an easy to follow owner's manual that takes you step-by-step through using the 110V and 220V setting and four large buttons for programming, Up to 14 programs can be entered by day of the week, all days of the week, Monday through Friday, Monday through Saturday or Saturday and Sunday only. Additionally it comes with a built-in re-chargeable battery so you won't have to worry in the event of a power failure. You can manually override a program if you need to turn an appliance on or off, or even disable a program if you wish. The large LCD display makes viewing your programs and options a cinch.