Operation mode: Mechanical Power source: AC Voltage range: 90-250V Power rating: 3W Frequency: 50-60Hz Color: White Compliance: US, UK, EU standards Power supply: DC Usage: Energy-saving device, throttle Features: 1. Household power saver stabilizes voltage, prevents fluctuations, and improves energy efficiency by reducing wasted current and protecting appliances. 2. Includes surge protection to safeguard household electronics and extend their lifespan. 3. Electronically controlled capacitor balances current, optimizing power usage. 4. Zero power consumption, suitable for continuous use without increasing electricity costs. 5. Compatible with air conditioners, washing machines, refrigerators, TVs, and other home appliances for efficient energy savings. 6. Smart system optimizes voltage and enhances electricity recycling. Package includes: 1 x Power saver