Specification： 160 X 134 cm Input Voltage： 110/220V Description： This product includes a patented technology,which changes 220V /110V AC current(normal household current in China)into non-hazardous low voltage current(less than 36V). So the blanket is shock free ,safe and saves energy. Even if the children wet the blanket,it still works and wont leak electricity or hurt the children.It is approved by thegovernment.