This is a 2 gallon, battery-powered compressed-air style Tank sprayer that is designed to spray water soluble solutions, such as herbicides, pesticides, & other liquid chemicals typically used for weed prevention, Weed remediation, pest control, fertilizing, & watering. This sprayer uses an internal rechargeable lithium-ion battery to power an electric air compressor pump. The pump zero electric pump is designed to provide a more convenient & more consistent alternative to standard manual pumps. It operates by pressurizing the air above the fluid in the tank, which causes the fluid to be pushed through the hose, to the nozzle, & sprayed out.