Features: Power Saving Device: Products through the optimization of voltage, balance current, reduce line loss, power terminal local compensation, according to electrical energy consumption automatically adjust the current size, improve the power factor to achieve energy saving effect. Powerful Energy Saving Tool: Suitable for monthly consumption within 28KW, prevent electrical appliances overheating and prolong electrical devices' service life. Plug and Play: Just plug the power saver into a power outlet, the indicator light will turn green and start working. The obvious power saving effect will only be seen after using it for a period of time (about 1-2 months). : Adopts advanced fire-proof and explosion-proof ABS material, safe and durable to use. Wide Application: Perfect tool to use at home, shops, office, small factories etc. for air conditioners, washing machines, TVs etc. Specification: Color: White Size: 98x58x29mm or 3.8x2.2x1.1in Material: ABS Voltage: 90V-250V Frequency: 50HZ-60HZ Power: 28000W Package Size: 8x6x5cm or 3.1x2.3x2in Package Weight: 100g or 3.5oz Packing List: 1 x Power Saving Device Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.