Havells Instanio Prime 3 Litre Instant Water Heater Geyser (White Blue)Havells Instanio 3 Litre Instant Water Heater (White Blue) Color Changing LED Indicator : LED that changes color as the water heats to the desired temperature Ultra thick stainless steel inner tank of superior 304 grade : Rust and shock proof ABS outer body LED Indicator: Colour changing LEDs that change from blue to amber to indicate the hotness of the water Outer Body: Rust and shock proof ABS outer body for long life Inner Tank: Stainless steel