Armed with advancedtechnology, this Professional Cordless Electrostatic Backpack Sprayerapplies cleaning, coating and disinfectants more effectively, moreefficiently and more conveniently. That means you save time and laborand deliver better coverage - up to 23,000 square feet a single tank offluid. Patented electrostatic charge penetrates chemical providing athin, even spray pattern on all surfaces. Cordless sprayer also allowsyou to select the chemical (disinfectant, sanitizer, odor removal,decontamination, pesticides/fertilizing and more) that best meets yourneeds. 3-in-1 nozzle allows you to set particle size to match yourapplication. Removable, easy-fill HDPE tank holds 2.25 gallons. The 4'hose with quick-release valve allows comfortable reach and maximummaneuverability. Cordless convenience allows effortless movement room toroom. Battery life runtime is 84 minutes.