Usage Tips:2500W / 1500W of power can make 5 gallons of water warm in a few minutes. Before inserting the heater, please make sure that the heater is completely immersed in the water then connect the 220V / 110V power supply. With stainless-steel protect cover, submersible water heater will prevent effectively the heating elements is in direct contact with people or animals and heat dissipates to the water faster by flowing through the holes in the guard. Durable and reusable .The holes on the guard dissipates heat into the water faster. Immerse in water at an appropriate water level and plug into any grounded wall outlet. Then the immersion heater can start working. Our Immersion Water Heater has a timing function. It can set the time by pressing the SET key. When the time is over, the power will be automatically cut off and a beeping alarm will be issued. Prevent accidents caused by forgetting when busy. There is no need to wait by the side during the use, which is safer and more convenient. Simple operation-immerse the water heater in the proper level of water (the water heater has a safe water level line). Plug into any grounded wall outlet. Check the power indicator in the plug to make sure the bucket heater is turned on, and then the portable water heater starts to work. Warning: The power cord and handle cannot be immersed in water. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on / US Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on. color:Black Material:Plastic+Stainless Steel Voltage: AC220V / AC110V Package Contents: 1 x Water heater Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.