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). High Quality: 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/3.8x2.2x1.1in Material: ABS Voltage: 90V-250V Frequency: 50HZ-60HZ Power: 28000W Package Size: 8x6x5cm/3.1x2.3x2in Package Weight: 100g/3.5oz Packing List: 1 x Power Saving Device