Operation mode: Mechanical Power mode: AC Voltage range: 90-250V Power: 3W Frequency: 50-60Hz Color: White Compliance: US, UK, EU standards Power supply: DC Features: 1. Household power-saving device stabilizes voltage, balances consumption, and improves efficiency. Reduces energy loss, protects appliances, and extends lifespan. 2. Includes surge protection to safeguard connected devices. 3. Optimizes current flow, minimizing wasted electricity. 4. Zero self-consumption��no added cost to electricity bills. 5. Compatible with ACs, washing machines, TVs, and other household appliances for efficient energy use. 6. Smart system enhances voltage stability and promotes energy recycling. Package includes: 1 �� Power saver