The Havells Geyser Bueno has been designed for quick water heating, maximum efficiency and user convenience. This water heating appliance has a 5 star energy efficiency rating as it utilises minimum power to offer optimum heating. This 10 litre storage tank geyser is equipped with an incoloy heating element, which provides resistance to both, oxidation and carbonisation at high temperatures. The inner tank of this unit is made of thick cold rolled features for rust resistance. There is a special safety feature called earth leakage circuit breaker that cuts off the power supply in case of leakage. This Havells unit features a heating indicator lamp to notify users while the water is being heated. It comes with an adjustable power knob to select the heating temperature between 25 to 75 degree C.