Description: 【Multifunctional Repair Tool】: This ignition light is designed for engine maintenance of cars and motorcycles. It can be used as an ignition timing , test lamp, tester, and other testing tools. 【Wide Application】: Suitable for both 2-stroke and four-stroke gasoline engines. It's a tool that fits different types of vehicles. 【Quick Engine Detection】: Capable of quickly and accurately detecting the ignition timing scale on the flywheel or pulley of the engine, improving repair efficiency. 【Knock Suppression Control System】: Can be used to detect and adjust the vehicle's knock suppression control system to ensure normal engine operation. 【Vacuum Advance Angle Control System】: Supports detection and adjustment of vacuum advance angle control system to guarantee engine performance and combustion efficiency. Specification: Material: Plastic, Electronic Components Input Voltage: 12V   Size Chart: Wire Length 1360mm/53.54inch Voltage Clamp Length 77mm/3.03inch Clamp Range 0-25mm/0-0.98inch Induction Clamp Length 100mm/3.94inch Induction Size 10mmx10mm/0.39inchx0.39inch Package Includes: 1 Ignition Light Note: Please allow slightly errors due to manual measurement and different monitors.