Energy Saving Function: This power saver stabilizes voltage, balances current, and provides surge protection, reducing energy consumption. Suitable for refrigerators, air conditioners, televisions, and other household appliances. Safe & Reliable: Operates under rated load with a capacitor system to store and release energy smoothly, avoiding peaks. Equipped with internal leakage protection. Easy to Use: Simply plug into a power socket, and the green indicator light turns on. Improves electricity efficiency and reduces waste. Wide Application: Suitable for homes, shops, offices, hotels, restaurants, etc. Works well with high-power devices like air conditioners, ovens, microwaves, washing machines. Durable PC Shell: Made of PC material (fireproof, explosion-proof) with good insulation, aging resistance, and impact resistance for long-term use. Specification: Item Type: Energy Saving Device; Material: PC. Package List: 3 x Power Saver; 3 x User Manual