Chapin 20V Rechargeable Backpack Sprayer 20V Black Decker powered lithium ion rechargeable backpack sprayer requires no pumping. 1.75 hours of continuous spraying up to 50 Gal. 35 to 40 psi with a 35 Ft. maximum horizontal spray stream. 6 In. wide mouth with carrying handle built into cap. Features Viton seals, 48 In. clear reinforced hose, and 20 In. poly wand. Cushion grip shut-off with built-in serviceable filter to assure that debris cannot clog the nozzle tip. Deluxe padded straps with waist/chest strap for prolonged use. Battery charger included. 12 Lb. Tank Capacity 4 Gal., Tank Material Polyethylene, Hose Length 48 In., Pressure Rating 35 to 40 psi, Nozzle Material Polypropylene/Brass, Wand Length 20 In., Wand Material Poly, Type of Tip s Adjustable Spray, Shoulder Strap Yes, Pkg Qty 1, Package Type Box WARNING Cancer and Reproductive Harm. www.P65Warnings.ca.gov