This energy saving pond pump is ideal for pond filters and waterfalls. It employs a digital motor with LCD flow regulator. Simply press up or down to change the flow of water. The ability to control your water flow has many benefits - Waterfall effects can be turned up or down. - Your pump flow can be reduced in winter to save money. This is the most advanced variable flow pond pump we have seen on the market. It is very user-friendly with the LCD screen letting you know if the pump gets jammed or blocked. The pond pump too chooseif you want the most features.