Perfect for spot treatments or concentrated applications, the BP-4Li is a battery-powered, high-pressure sprayer that fits comfortably on your back! Fully variable pressure control allows you to atomize spray solutions at a rate that meets your coverage needs. Includes a twin fan nozzle that targets select areas with a coarse spray and an adjustable cone nozzle that sprays a stream or fine mist. Operates for up to 45 minutes on a single charge with the includes one rechargeable battery packs. Dramm BP-4Li High-Pressure Backpack Sprayer