【Product Characterization】: This 250V arc-shaped automatic voltage regulator is used to control the output of gasoline generator 【Adjustment Function】: By increasing or decreasing the generator control voltage, the output voltage of the generator increases or decreases accordingly 【Product Installation】: Our 220μF AVR electric start generator voltage regulator is mounted near the generator and connected with several wires to measure and adjust the generator 【Widely Used】: This black arc-shaped voltage stabilizer is widely used for for 2KW to 3KW, 168F gasoline generator 【Note】: The wire direction might differ, as the blue square might be in left or right, please take the real one as standard, Manufacturer: Oumefar