The Waterpik EcoFlow 3-Setting Hand shower features a water-saving option that reduces the flow to a trickle from any of its three powerful spray settings. With this convenient push-button you can easily conserve water while shampooing, conditioning or shaving. It can save you up to 100 dollar each year on energy and water costs, paying for itself in less than six months. Enjoy countless refreshing EcoFlow showers without wasting a drop of water or money.