Features: Designed to fit a wide range of air-cooled diesel engines, ensuring compatibility with various generator models. Made from aluminum alloy shell, lightweight and durable, delivering reliable performance. The rectifier provides stable voltage regulation, ensuring consistent power output for your generator. Includes a fuse box, making installation and maintenance easier. This voltage regulator is typically installed on the engine and used for batteries, rather than as an isolated regulated power module, offering high output stability. Specifications: Material: Metal Style: 3-wire/4-wire Size: Approximately 71x79mm / 2.8x3.11 inches Package Includes: 1 x Diesel Generator Stabilizer Note: Please allow 1-2 cm error due to manual measurement. Ensure you are comfortable with this before ordering. Due to differences between monitor displays, the picture may not reflect the actual color.