Feature: The product is a universal accessory, suitable for 3-3.5kW generators. Excellent workmanship ensures high quality of products. The product can effectively the voltage stability of the generator. Large capacitor is used in the product, which is stable and high. The product is made of high-quality electronic components with stable and reliable performance. Capacitor: 250V 220UF Wiring harness: 6 wires (4-wire socket + 2 carbon brush wires) Applicable to: 3-3.5KW generator universal Mounting hole distance: 10cm / 3.9in Colour: Black Material: Plastic Package Contents: 1 * Automatic Voltage Regulator Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.