Features: New 15KW Power Electricity Energy Saver Box Save 30% US Saves between 10 and 30% of energy per appliance depending on the type Instructions included New -type Intelligent Digital And Powerful Electricity Saving Device save energy sources efficiently enviroment-friendly stabilize the voltage balance the current source protect devices Smart sleek design with LED lights to indicate operation prolong the life of electrical devices easy to use-no maintenance Saving electricity means saving money saving money means earing money Specifications: Rated voltage: 90V - 250V Rated frequency: 50Hz - 60Hz Dimensions: 7 x 12 x 3.5cm / 2.8 x 4.9 x 1.5 (W x H x D) Color: Silver grey and black How does it Work 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 (US Plug)