This automatic outdoor heavy-duty swimming pool pump timer will help to extend the life of your filter pump and save electricity as well as helping you to maintain your pool with ease. It can also be used to control spas, outdoor decorations. Works great with any 120 volt plug in swimming pool filter pump. Features Include:Activates equipment only when needed saving electricityRust proof plastic enclosure. Plug receptacle is on the bottom of the unit to protect from weather24 hour repeating cycle2 On/Off settings per day (24 hour) with 2 sets of trippers23-1/2 hours maximum on timeManual overrideWall mounting hole built into enclosure120 Volt, 15 Amp operation