Generator Set Automatic Voltage Regulator Engine Stabilizer Board Easy to install:Direct replacement of the alternator regulator , easy installation. Durable Construction - this part is made from quality materials to ensure reliable performance and long service life. Water-Resistant & Sturdy: Holding standard waterproof certification, the power module provides effective dust and water barrier for stable operation under any environmental conditions. : Compact and low-weight design lets you install the transformer unit seamlessly, requiring neither dedicated tools nor technical experience., Manufacturer: CQJJXKYC