This portable pool heater adopts advanced heating technology, the use of power 2000W, good thermal conductivity, relative to ordinary water heaters, greatly reducing the heating time Portable water heater is made of stainless steel protective cover, safe and rustproof, with better insulation to avoid direct contact with the heating element 2000W Immersion Water Heater, with two heating modes, automatic power off after reaching the set temperature, temperature setting with power off memory function, with real-time temperature detection without external thermometer.