Feature: 1. Good‑quality capacitor possess good parameter consistency and high reliability 2. Imported resistance with high accuracy, wide range of working temperature, small drift and good stability 3. The potentiometer adjust smoothly and not easily damaged, very practical 4. Made of high‑quality materials, possess strong corrosion resistance and stable structure 5. Generator automatic excitation voltage regulator module is durable and light weight Specification: Item Type: Generator Automatic Voltage Regulator Board Maximum Current: 4A Voltage Establishment: Automatically established when the residual magnetism is greater than 4V 25Hz Input Power: AC170-270V 50/60Hz Connect Power Supply to Device: 110V Induction Detection: AC170-270V 50/60Hz Output: Voltage: 50VDC, Current: 5A (continuous), 8A10S (instantaneous) Frequency Compensation: Built-in frequency protection circuit that reduces output voltage when engine revolutions drops How to Use: 1. This product is a voltage regulator, Functions: Low frequency protection, overexcitation protection, external voltage regulation 2. Wiring debugging, complete wiring diagram in the manual. Package List: 1 x Generator Automatic Voltage Regulator Board1 x User Manual