CONTROL THE VOLTAGE OUTPUT: This automatic voltage regulator is used to control the output of gasoline electric generator, by increasing or decreasing the generator control voltage, the output voltage of the generator increases or decreases accordingly EASY TO USE: Mounted near the generator and connected with several wires to measure and adjust the generator. The wire direction might differ, as the blue square might be in left or right, please take the real one as standard GOOD PROTECTION: Special arc-shaped automatic voltage regulator, It is sealed with resin which provides a better moisture and vibration resistance. It has a aluminum housing which is rust resistant and can offer a good protection WIDELY APPLICATION: The voltage regulator is suitable for 6.5KW 7KW 8.5KW 2-phase 6-wire generators, widely used for for 6.5KW, 7KW, 8.5KW gasoline generator VIP SERVICE: As a seller, we always try our best to provide good quality products as well as excellent service to our customers, your trust and business is that important to us. If you are not satisfied with the quality of the product, pls feel to contact us and let us know about the issue, you will be assisted ASAP, customer satisfaction is on our priority, Weight: 0.44974301448 Pounds, Manufacturer: Walfront