Brand new ，High quality. Rated voltage: 90V-240V Rated frequency: 50Hz-60Hz Dimensions: 7 x 12 x 3.5cm / 2.8 x 4.9 x 1.5cm(W x H x D) New -type Intelligent， Digital And Powerful Electricity Saving Devicesave energy sources efficiently enviroment-friendlystabilize the voltage balance the current sourceprotect devicesSmart， sleek design with LED lights to indicate operationprolong the life of electrical deviceseasy to use-no maintenanceSaving electricity means saving money saving money means earing money The electricity saving device saves and reduces energy by stabilizing the voltage which in turn results in reductions in peak power demand and less waste of low efficient power. The low efficient power is consequently stored and recycled by the unit. Packet content:1x Electricity Saving Box (EU plug)