, and wide power serve you for a long time. It automatically controls water, drainage, effective pool water to or idling high damage. With full shortage this controller protects from burning. also the upper lower pools simultaneously. mounting can be installed in distribution box comes with 3 probes, which are easily adjusted according demand realize control. Great well project, printing dyeing, chemical, food, beverage, wine, sugar other industries. 1 automatic only, accessories picture is not included!