1. Power Saver (2-Pack) This household power saver offers efficient energy saving. It is compatible with US plugs, with a voltage range of 90V - 250V, a power of 30KW, and a frequency of 50 - 60HZ. 2. Product Features 1. For families with numerous electrical appliances and large loads, two or more electronic energy - saving boxes can be used. It can provide a relatively stable voltage, balance the current, and help prevent voltage instability. 2. Simply plug the power saver into the power outlet. When the green indicator light comes on, keep the device connected and it may start working, which could reduce your power consumption. 3. When the power saver operates under the rated load, it will release the stored electrical energy in a relatively stable way through the capacitor system, helping to avoid voltage spikes. 4. The outer shell is made of advanced fire - and explosion - proof materials, and the interior is equipped with leakage protection measures, ensuring a certain degree of safety and reliability. 5. When the power factor power saver operates normally under the rated load, it can help prevent electrical appliances from overheating, which is an advantage. 3. Specification Parameters - Material: ABS (flame - retardant) - Dimensions: 11.5×6.5×4 cm (4.5×2.6×1.6 inches) - Quantity: 2 pieces 4. Package Contents Two power savers 5. Notes 1. Due to manual measurement, a 1 - 3 cm error may occur. Please ensure that you can accept this possible error before purchasing. 2. Due to differences in different monitors, the pictures may not accurately reflect the actual color of the item.