Usage Tips:High Power: 1500W, 120V(MUST USE 15A OUTLET, THIS HEATER IS 12.5A CURRENT) travel immersion water heater, High power for quickly heating, heats 5 gallons of water in few minutes, portable immersion heater will heat water continuously over 180 degrees F and towards boiling(It cant boil water).greatly saving your time. Note:people cant be in the water while the heater is working. Thermostat and Auto Shut off - The middle stainless steel tube contains a thermal overload safety switch, when water reaches a certain temperature(about 180-194 degrees F), immersion heater for water can automatically cycle on and off to maintain water temperature. It will not overheating and save power.Dry burning will auto shut off power to avoid catching fire. 304 Stainless-steel Guard - The heavy duty 304 stainless-steel guard on the electric bucket heater protects the heating element from directly contacting persons or animals. The holes on the guard help release heat into the water faster. Simple Operation - Immerse in water at proper level. Plug into any grounded wall outlet. Check power and make sure the water bucket heater is on. then the portable water heater starts working. Warning: the cord and handle cant be submerged in water. US safety standards, 12-month warranty. Package included: 1 pack bucket heater + Manual.