Color Changing LED indicator from Blue to Amber as the water heats to the desired temperature This thick rolled steel tank is coated with feroglas which ensures high resistance against corrosion, making the water heater tough on hard water & giving them a longer life Incoloy 800 glass coated heating element offers superior heating performance with its excellent resistance at high temperature setting It is a functional device which operates water heater between 25 °C to 75 °C. It stops the heating of water when the desired temperature is reached to avoid overheating of water CFC free high density PUF insulation prevents heat loss; Whirl Flow Technology; Water Resistance and Splash Proof (IPX 4)