The Boss- Is one Professional Grade Unit. The Boss- Complete Waterless Detailing System is 100% cordless allowing you to move about anywhere in any location without restrictions. The Boss comes complete with Long-Life rechargeable battery, professional handle, Industrial spray gun, Spray tip. The Boss is battery operated delivering 18+ hours of continuous detailing. The Boss Specifications: Body: UV Treated Red Molded Polyethylenethe boss waterless detailing unit mobile cordless car care. ,Professional Spray Gun & Lance included ,Capacity: 3.5 gallon ,Wheels: Heavy Duty 6" Rear Wheels ,Battery: 12VoltBattery Life 18hrs on Full Charge ,Dimensions: 25" x 16" x 36" ,2 Gallons Hyper Concentrated ($180 Value) Eco-Smart enough for 56 gallons of detailing solution - 12:1 mixing ratio, yes that's right 12 part water to 1 part solution.