1、MAIN APPLICATION: The function of the power saving box is to stabilize the voltage, balance the current, and surge protection to avoid ineffective power wastage. 2、GREEN INDICATOR: Simply plug the power saver into an electrical outlet, the green indicator light will illuminate, and then start working by keeping the device connected. 3、SAFETY AND RELIABILITY: When the power saving box works under rated load, it is safer to use the capacitor system to release its stored power more smoothly to the normal state. 4、POWER SAVING: This power saver will reduce your power consumption and save power effectively, up to 20%‑35% for heavy loads. 5、APPLICABLE SCENARIO: This power saver is suitable for houses, apartments, store lots, restaurants, hotels, offices, and small factories. Item Type: Power Saver Material: ABS Rated Frequency: 50-60Hz Payload: 28000W 4 x Power Saver 1 x Instruction