Features: Stable Voltage: The voltage regulator stabilizes the voltage prevents voltage instability achieves stable and balanced electricity consumption and thus prolongs the service life of electrical appliances. Protect ElectronicDevice:The product is equipped with an anti surge device to prevent current surges and protect electrical appliances. Applicable voltage 90V-240V/50Hz 60Hz. Energy Saving:Electronic control capacitors balance current comprehensively improve the power of electrical products and avoid ineffective waste. Wide Application:Suitable for products such as air conditioning washing machines refrigerators electric fans televisions water pumps sound systems fluorescent lights etc. After-sales Service: If you have any problem please contact us immediately we will help you solve it as soon as possible. Specifications: Rated Voltage: 90V-250V Working Temperature: -60-75 Rated Frequency: 50Hz-60Hz Effective Carrying Capacity: 15000W-18000 Notes: 1. Due to different monitors and lighting effects the actual color may be slightly different from the image. 2. Due to manual measurement please allow 1-3cm deviation. includes: 2 * Voltage Regulator or 4 * Voltage Regulator "