Armed with advanced technology, this Professional Cordless Electrostatic Backpack Sprayer applies cleaning, coating and disinfectants more effectively, more efficiently and more conveniently. That means you save time and labor and deliver better coverage - up to 23,000 square feet a single tank of fluid. Patented electrostatic charge penetrates chemical providing a thin, even spray pattern on all surfaces. Cordless sprayer also allows you to select the chemical (disinfectant, sanitizer, odor removal, decontamination, pesticides/fertilizing and more) that best meets your needs. 3-in-1 nozzle allows you to set particle size to match your application. Removable, easy-fill HDPE tank holds 2.25 gallons. The 4' hose with quick-release valve allows comfortable reach and maximum maneuverability. Cordless convenience allows effortless movement room to room. Battery life runtime is 84 minutes.