Dual mode operation: This device provides a dedicated K mode for focused applications and a 6K mode for comprehensive analysis that can record up to six transmitters. It ensures optimal sound transmission for clear and bright diagnosis. Ultra-sensitive technology: Designed to locate engine noise and identify faults in critical components such as transmissions, worn gears, injectors, fuel pumps, catalytic intakes and exhaust manifolds, making it versatile for various diagnostic needs. Professional tool: An essential advantage for roadside service specialists who facilitate simultaneous road testing and vehicle diagnostics. Ideal for mechanics and professionals in the automotive industry looking for efficient diagnostic solutions. Convenient and practical: Comes with a piezoelectric acceleration sensor and a belt clip for easy attachment to relevant areas. Features a 16 foot wire for ample reach and operates in a temperature range of -10C to 55C to ensure reliability in various conditions. Use scenarios - Roadside service: Roadside technicians can perform road testing and vehicle diagnostics at the same time to quickly locate engine noise or transmission issues, reducing service time. - Workshop diagnostics: The 6K mode allows recording up to six transmitters for simultaneous multi-area analysis, speeding up root-cause determination. - Component inspection: Attach the piezoelectric acceleration sensor with the belt clip to exhaust manifolds, catalytic intakes, injectors or fuel pumps to pinpoint noise sources and assess component condition.