Userfriendly design: Simply connect the tester to the circuit and it will display the parameters, making it easy to operate. Noninvasive circuit : Functions as a noninvasive tool for repairing electrical circuits, allowing for maintenance without damaging the wiring. Effortless testing: Easy to operate by simply touching the tester to the circuit, instantly displaying the relevant parameters for quick analysis. Durable performance: Engineered for durability, ensuring consistent and reliable performance over extended periods of use. Compatibility and scope: Suitable for car circuits, automotive power circuit probing, and as a digital electrical tester. Use scenarios Automotive diagnostics: Quickly verify power delivery and signal presence in a vehicle's electrical system by touching the tester to circuit points. Wiring maintenance: Inspect and diagnose wiring harnesses and connections without invasive probing, helping locate faults with minimal disruption. Onsite testing: Perform fast continuity and parameter checks during onsite electrical servicing for cars and other 12V systems.