Features 1、This automatic voltage regulator is used to control the output of electric generator 2、It is connected to the generator and with several wires to stabilize the voltage 3、By increasing or decreasing the generator control voltage, the output voltage of the generator increases or decreases accordingly 4、The voltage regulator is suitable for three-phase 220/380/400VAC generators 5、It is easy to wire and convenient to use Specification Features: It is easy to wire and convenient to use. Specifications: Model: GB-170 Frequency: 50-60Hz Output Voltage: 14V (adjustable) Power: 1VA Package Includes: 1 x AVR Note: Please allow 1-2mm error due to manual measurement. Thanks for your understanding. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List