Are you looking for a safe and fast-heating water heater electric? If yes, Our Immersion Water Heater might be a good choice. Automatic power-off When the water temperature reaches 160-170 ℉, the water heater will stop heating until the water temperature cools to 122 ℉ and then reheat to reduce energy waste Stainless steel protective cover The anti-rust stainless steel guard aims to keep you away from directly contact the heating elements, which adds the max protection to prevent accident injures. 16AWG power cord Sectional area 1.31mm ²,this 59in heavy-duty and water resistant power cord is perfect for outdoor use. The recommended maximum container for each heating of water is 50 gallons.The maximum current of each water heater is 14.1A. If the maximum current of your circuit exceeds 30A, you can use two water heaters simultaneously to save time.If an extension cable is needed, we recommend using 14AWG (1.63mm) cable. Please pay attention to the following items to prevent accidents. Warning1 Make sure the water heater is completely submerged before plugging in. Warning2 Do not touch water before unplugging the plug, it's super hot. Warning3 Please unplug the water heater before taking it out of the water. Warning4 Do not use it for more than 3 hours continuously. Warning5 Do not plug two heaters into the same outlet.