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Dragonfly is an electrical water heater,with an
accessional charger.Its designed for those who
are working outdoors or travelling in no water-
heater condition.Dragonfly can spread out several semicircular parts,which can hold the heater on the water container.You are able to ajust the length of the calorific metal stick(covered with the white insulated plastic outside) at will,without worrying about getting an electric shock.The top screen shows you the current water temperature,and the speaker beside it can also remind you:its time to
have your bath.