• 【Easy-to-Read Design】High-visibility white font for convenient reading in various lighting conditions
• 【Wide Compatibility】Suitable for small engines, including some motorcycles and lawnmowers
• 【Diagnostic Functionality】Assesses ignition coil condition by analyzing spark color and discharge distance
• 【Simple Testing Process】Five-step process for quick and efficient ignition system evaluation
• 【Professional Spark Analysis】Generally, normal sparks are blue-purple and regular, while abnormal sparks are yellowish or reddish and are interrupted indirectly

Specifications:

• Product Name: Spark Plug Tester
• Ground Wire Length: 500mm (19.69 inches)
• Metal Tip Length: 40mm (15.75 inches)