Earthway Pro Estate Wheeled Sprayer - 5 Gallon The standard 2-mode valve allows for either Transport or Spray operation and is selected high on the handle While in Transport mode, the S15 pump continues to operate agitating the material in the tank for a desired mixture Featuring a ground driven pump with no battery to charge or maintain The S15 operates at walking speed and pushes no harder than a small spreader Makes quick work when spraying herbicides, pesticides, fungicides, liquid ice control products, or fertilizers