A voltage stabilizer that helps stabilize voltage, reduce power consumption, and extend the life of household appliances. Install this device to help prevent inefficient power usage and provide protection for home appliances. Helps maintain current capacity and improves overall power efficiency for household devices. Designed to operate continuously under various climate conditions. Power supply: AC 110V Plug type: US plug (compatible with countries using standard US plugs, including Canada, India, Japan, Mexico, Thailand, Taiwan, and the Philippines) Rated voltage: 90V–250V Working temperature: -60°C to 75°C Rated frequency: 50Hz–60Hz Effective load: 15,000W or 18,000W Dimensions: 9.5 x 6 x 3.5 cm Material: ABS flame-retardant material Color: White Package contents: 1 x Smart Power Saver 1 x User Manual Note: Other items not included. Color may vary slightly due to lighting and display differences. Measurement tolerance: ±1–3 cm.