Description: 【Material】: This car ignition tester is made of plastic material to withstand regular use in various automotive environments, providing durability and reliability for long term service 【Easy to store】: Ignition coil detection, compact in size, can be easily stored in a tool box or glove boxes, convenient for professional mechanics and DIY enthusiasts 【Easy to use】: Ignition coil system checker, this instrument is inductive, simple and convenient to use, can effectively detect ignition coil performance and measure ignition signals to ensure engine performance 【Application】: Whether you are diagnosing engines in the garage, assisting with faults on the roadside or tuning cars, a coil testing device is essential for quickly and accurately analyzing ignition systems 【Function】: Car ignition coil tester can measure the speed of each car engine cylinder, the ignition system's spark volts, and the combustion time. It can also test ordinary distributor spw and high volts packages cop (it is recommended to measure at idle and normal engine operating temperature, and then increase the speed until it is equivalent to high speed, usually about 2000 to 2500 rpm) Specification: Material: Plastic Volts: 9V Display: LCDS display Engine cycles: 2 and 4 cycles and DIS (wireless electric ignition system) Battery Life: about 20 hours Size Chart: Machine size: 17.5 cmx9.5 cmx3 cm/6.89 inchx3.74 inchx1.18 inch Toolbox size: 27 cmx22 cmx7.5 cm/10.63 inchx8.66 inchx2.95 inch Probes length: 35 cm/13.78 inch Package Includes: 1 Set of Car Ignition Tester 1x English manual Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.