Double 13mm hole design allows for easy comparison and testing of spark plugs. Equipped with a 2A power supply to produce a stronger spark compared to 1A models, ensuring reliable performance. Features a technical chip for stable operation and improved ignition testing accuracy. Enhanced resistance coil delivers brighter sparks for effective diagnostics. Compatible with spark plugs up to 13mm in diameter. Suitable for use with vehicles and engines including cars, motorcycles, speedboats, motorboats, and lawnmowers. Plug Type: EU Plug, compatible with countries such as Indonesia, Germany, France, Spain, Italy, and others. Voltage: AC 100-240V Color: As shown in images Material: ABS Package Contents: 1 x Spark Plug Tester Main Unit 1 x Power Supply Connector 2 x Gasket Note: The package includes only the items listed above. Other accessories are not included. Due to lighting effects and monitor settings, the actual color may vary slightly from the image. Measurement tolerances may vary by +/- 1-3 cm.