Zodi Outback Gear Hot Tap HP Instant Shower Self-contained, high-output hot water shower that sets up anytime, anywhere Attaches to pair of 16.4-ounce propane cylinders or 5-gallon propane tank with kit. Non electronic heater for hassle free performance 6-volt water pump with pushbutton ignition; 8-foot hose with showerhead.Double-burner design for high performance 4 season use 4-gallon storage case doubles as water tank holds enough water for 10-minute shower Temperature adjusts up to 100 degrees F; case measures 14 x 12 x 12 inches W x H x D