Description: 100% brand new, high quality Features: Fully automatic overvoltage and undervoltage protector is suitable for single phase AC voltage 230V, 50/60Hz, rated working current 63A and below users or loads. It is mainly used for the protection of over-voltage, under-voltage, or over-current in the distribution line of residential household box or the protection of single-phase power equipment. Its main feature is that when the line experiences overvoltage, undervoltage, or overcurrent conditions, the product can instantly cut off the power supply, protecting the electrical equipment from damage; when the line voltage returns to normal, the protector can automatically restore the power supply. Specifications: Item Type: over/undervoltage protector Material: Plastic Overvoltage: 230~300V (adjustable) Undervoltage: 210~145V (adjustable) Size: approx. 36x85mm/1.42x3.35in, 65x45mm/2.56x1.77in Color: White Quantity: 1 Pc Note: No retail package. Transition: 1cm=10mm=0.39inch. Please allow 0-1cm error due to manual measurement. Please ensure you do not mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 x Over/Undervoltage Protector (other accessories demo in the picture are not included.)