Power supply for water purifier efficiency: 82 % CE cerifificate; 3 years warranty Power supply for water purifier1,Input Voltage:100~240VAC ... 10,Application: 50 gallons of pure water machine;11,The adapter has over loading protection,over voltage ... adapter,led driver,transformer please don't hesitatet to contact us and welcome to our factorySkype:gezhengpower ACT 36V3A transformer for Water purifier ...