Features:

- Supported engines: single cylinder, twin-cylinder, V cylinder, star multi-cylinder (3, 5, 7, 9) engines

- Operation guide: Plug the sensor of your CDI to the respective port (single-cylinder and twin-cylinder to the 3-pin port, other types to the 4-pin port), then press SELECT button to change the engine type. Adjust RPM knob can change the ignition frequency.

Specifications:

- Power supply: 5V (Taken power from the sensor port of the CDI, voltage shouldn’t exceeds 5.5V)

- Dimensions: 54*40*24mm

- Weight: 24.6g

- Packing list: 1 * CDI Tester