Feature:1) 100% new and high quality.2) In case the AVR is out of adjustment for your generator, the voltage of the AVR can be adjusted.3) Rectangle and half-moon two types are interchangeable.4) Stable characteristics, high reliability.SpecificationsCondition: 100% newMain Color: BlackMaterial: Plastic & MetalSize: approx.8 x 3.8 x 2.1cm(3.15 x 1.50 x 0.83inch)(L x W x T)Hole Pitch: approx.10cm(3.94inch)Hole Diameter: approx.0.6cm(0.24inch)Manufacturer Part Number: T103A2-2.8KWNumber of Port: 4 PinSuitable for: handles generator with Surge/Peak Wattage up to 3000WItem included: 1 x Automatic Voltage RegulatorCompatible With:Fit for UST Branded Gas Generator Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin