2 PCS 90V-250V Electricity Power Saver Box Energy Power Saving Box US Plug

1. Plug the power saver directly into any idle socket (wall socket) above the main line to form a return flow in the whole home circuit to start power saving2. After plugging in the power saver, it is best not to take it off or power off frequently. The longer the product is used, the better the effect will be.3. Any electric meter is universal, as long as there is current passing through, it can save electricity, plug and play, no electric meter is required.4. Rated voltage: 90v-250v5. Operating temperature: -60-75 degrees Celsius6. Rated frequency: 50Hz-60Hz7. Effective load: 15,000 W or 18,000 W