Automatic Voltage Regulator Controller for GAVR12A Generator Set Parts Features: High quality generator voltage regulator. With surge protection function. With low speed protection function. The voltage range is adjustable. High voltage stability. Single-phase and three-phase integrated. 50Hz 60Hz is adjustable. Specification: Material: Plastic and Metal Weight: 250g/8.8oz Detection input: voltage 90V-240V AC Single phase two lines: select by toggle switch Magnetic field output: voltage 95V DC Current: continuous 12A Package list: 1 * Generator voltage regulator Note : Please note that the new type and old type of this product will be shipped randomly, and please make sure you don't mind ordering.