Features Digital Regulation Efficiency: Experience high-performance with the advanced digital regulation feature, ensuring control for optimal power delivery Engineered for Alternators: Specifically designed for small alternators, it effectively manages excitation current while maintaining consistent output voltage for reliable performance Wide Voltage Range: Operates seamlessly within a voltage supply and sensing range of 85-139V, providing excellent voltage regulation and effortless setup for your needs Features: 1、DIGITAL REGULATION: The automatic voltage regulator has digital regulation function, with compact structure and high efficiency . 2、FOR ALTERNATOR: Designed for small alternators with parallel excitation, it controls the excitation current and maintains the output voltage. 3、VOLTAGE RANGE: The voltage supply and sensing range is 85-139V, this AVR board has good voltage regulation performance and simple setup. 4、PLASTIC SHELL: The generator voltage regulator uses ABS housing, lightweight and , resistant and aging resistant. 5、COMPACT SIZE: The automatic voltage regulator has a compact size, which is easy to install and use, suitable for diesel engines. Specification: Item Type: Automatic Voltage Regulator Material: ABS Voltage Sensing Range: 85-139V (50/60Hz) Rated Voltage: 16A-250V On Off AVR Power: 1 Wire, 0 or 110V Package List: 1 x Automatic Voltage Regulator 1 x User Manual Package List 1 x Automatic Voltage Regulator 1 x User Manual