Double Safety Protection: According to customers' request, we have upgraded the electric pool heater with built-in thermostat and fuse. When the water temperature reaches a certain temperature, automatically stop heating and maintain the temperature. The fuse can cut off the power to prevent fire, providing you with double safety protection and enjoying a comfortable bath at home. Fast heating: The 1500W high power rapid electric pool heater can heat 5 gallons of water in minutes, saving energy and money. Upgrading the water heater can bring a better experience and let little children play freely in an inground pool without cold water. Anti-scalding and corrosion resistance: The pool heater with corrosion-resistant stainless steel protection can effectively prevent the heating element from directly contacting the human body, both sides are fixed with mechanical and AB glue, which has strong sealing and is more on. Strong corrosion resistance, can be used for a long time, let you solve the problem of no hot water. Simple operation: The Electric Pool Heater is simple to use, just fully submerge in water and plug into 120V power. It consists of copper wires which can carry more electricity, which can quickly transfer heat to water. (To note: Unplug the water heater before removing it from the water.) Widely Used: The water heater can be used for inground pool, bucket, sink, bathtub, construction, breeding, car wash, etc. The water heater is light and small, easy to carry when you go camping. As a backup water heater of the combination boiler. Note: The data is all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.