Save energy sources efficiently and environment friendly, stabilize the voltage, balance the current.Prolong the serving life of the electric devices easy. To current balance, full of electrical products to the use of power, avoid invalid electric waste. Reduce electrical overheating, the power factor of electrical appliances. It is suitable for air conditioner, washing machines, refrigerators, electric fans, , water pump, stereo, fluorescent and other electrical household appliances. Easy to use, maintenance free. Operation: Plug the electricity saved box to any sockets . Assure of the plugging, the indicated light is in the condition of lighting. Working principle of : It can stabilize the voltage and current, reduce the loss of invalid current on , restrain the interference surge, avoid the waste of invalid electricity, and achieve the effect of saving electricity. The built-in surge device can household appliances and prolong the service life of all household appliances. Place of Application:Home / Office / Use Note: do not dissemble or mend it by yourself. Do not let it, assure the safety. Energy saver is that the more electricity is used, the effect will be more obvious after using for 2 months. When using the , plug it directly into the circuit plug. It is recommended to plug it into the socket to the main switch, or plug in row where the electrical appliances are used intensively, so the power saving effect is more obvious. Whether with capacitor:no Plug Type:EU Plug,it applies to Indonesia, , , , and so on size:110 x 70 x 70mm Material:plastic colour:Black Package Contents: 1 x Electricity Saver Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.