... Heat Conduction Material 3.High heating capacity, 4.Long lifespan 5.Safe Water switch hot water tapGet hot water ... come out3.Excellent heating conduction material ,high heating capacity ,Long lifespan,withstand voltage 1500V/Min,electric heating element ,Continiuous use ... no power ,preventing dry heating and ensuring safety ,lifespan up to 300 thousands times6.Thermal protector Automatic protection ...