AllinOne Spark Tester Set Compact 2piece kit that includes all tools for effective spark testing and fault diagnosis on various engines. Illuminating Indicator Light Bright indicator clearly shows healthy sparks versus potential issues, helping you troubleshoot more efficiently. Easy to Operate Turn off the engine and follow the included clear instructions to check ignition signals with this tester. Key attributes Function: tests ignition spark to aid fault diagnosis Compatibility: suitable for a range of sparkignition engines Design: compact twopiece construction for easy handling and storage Performance: reliable indicator and straightforward operation for quick assessments Use scenarios Diagnostics on cars or motorcycles during routine maintenance or when diagnosing ignition problems Testing spark health on lawn mowers, generators, and other small engines Postreplacement checks to confirm proper ignition signals before final testing