Simply fill the 8 ounce tank with a safe EPA-approved water-soluble disinfectant, pull the trigger, and the EPIX360 goes to work laying down an even, uniform and wraparound layer of germ-killing power up to 4,000 ft2. Spray distance of 24-36". Battery life of 20 tanks on a single charge. Works flawlessly and consistently, greatly improving transfer efficiency and avoiding shock and electrical hazards.