Simple to use - Easily check the condition of spark plugs by touching the tester to the ignition coil, making it accessible for users of all skill levels. Precise testing - Delivers accurate voltage readings to confirm spark plugs are operating correctly and to diagnose issues promptly. Multipurpose tool - Designed to test automotive spark plugs and other electrical devices, providing versatility for various testing needs. Lightweight and portable - Compact design for easy transport and storage; keep it on hand wherever you go. Key attributes - Function: tests automotive spark plugs and other electrical devices, with voltage readings to assess performance. - Compatibility: suitable for automotive spark plugs and other electrical devices. - Size and portability: compact and lightweight for easy transport and storage. - Performance: provides precise voltage measurements to support reliable diagnostics. Use scenarios - On-site vehicle diagnostics: quickly assess spark plug health by touching the tester to the coil to determine if a misfire or plug issue is present. - Garage maintenance: perform a quick health check of spark plugs before a scheduled service to inform the replacement plan. - Electrical troubleshooting in the workshop: verify operation of other electrical devices or circuits as part of broader diagnostics.