The Onsen 5L portable tankless water heater turns cold water into instant hot water so you can enjoy a hot shower on all your outdoor adventures. Featuring a premium shower head, digital screen and included 12V battery clips, the Onsen 5L runs on a standard propane tank and is perfect for hunting camps, off-grid cabins, camping, boating, pet grooming, horse trailers, stables or simply rinsing off by the pool. With 32,000 BTU power output, it includes a gas regulator and hose for standard barbecue propane tank, and gas and water control knobs for temperature adjustment. Ignition is powered by two "D" cell batteries or 12V battery connection. A digital screen displays outgoing water temperature and battery life. 1/2" NPT water fittings. Outdoor use only. CSA certified for Canada and USA.