Welcome to our shop! This protector is suitable for users or loads with single-phase AC voltage of 230V, 50/60Hz, rated current of 63A and below, perfect for homes, offices, etc. Energy Saving: The power protector's low power consumption and long mechanical life ensure efficient and reliable performance for years to come. Main Function: In case of overvoltage, undervoltage, or overcurrent, the protector will immediately cut off the power supply to protect electrical equipment from damage. Automatic Power Restoration: Professional voltage and current protector, when the voltage returns to normal, the protector can automatically restore power. Stable and Durable: The case is made of premium plastic material, which is hard, durable, and not easily damaged. Item Type: Power Protector Material: plastic Product Size: Approx. 8.6 x 6.9 x 3.9cm / 3.4 x 2.7 x 1.5in Application: Can provide undervoltage or overvoltage protection, but can also measure and stabilize the output voltage Package List: 1 x Power Protector 1 x User Manual Your 100% satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!