Operation mode: Mechanical Power mode: AC Rated voltage: 90-250 V Rated power: 3 W Rated frequency: 50-60 Hz Color: White Product specifications: Complies with US, UK, and European regulations Power supply mode: DC Product use: Energy-saving device, voltage regulator Specifications: 1. Household high-efficiency intelligent power saver with voltage stabilization to help maintain stable voltage and current, improve power factor, reduce line losses from reactive current, suppress surges and interference, and potentially extend the service life of electrical appliances. 2. Equipped with protection against current waveform distortion to help safeguard household appliances and potentially extend their service life. 3. Electronically controls capacitance to balance current and improve efficiency by reducing wasted energy. 4. The device itself consumes minimal power, designed for continuous 24/7 operation without significantly increasing electricity usage. 5. Suitable for use with air conditioners, washing machines, refrigerators, electric fans, televisions, pumps, audio equipment, fluorescent lamps, and other common household appliances. 6. Features an intelligent system that helps optimize voltage supply and improve overall electrical efficiency. Package Included: 1 x Power Saver