Scope of Guangtong Yingtian. 1.The product is applicable to all parts of the car, and can quickly monitor the part of the abnormal noise. 2. The product can monitor the engine, bearing, motor, chassis, transmission and other parts of the car. 3. The product is suitable for maintenance technicians, mechanics, vehicle maintenance personnel, security personal Vehicle owners, etc. 4. The product is suitable for maintenance of automobiles, ships, airplanes, machine tools and other types of machinery and equipment 5 locate the collision sound from the lead | engine to the dashboard 6.Diagnose gear wear sound