1 PC Spark Plug Wire Ignition Coil Test Pen, High-Pressure Cylinder line Testing Pen with Wider Slotted End, Non-disassembly Faults Diagnostic Tool with Portable Pen Clip & High-Light Bulb

1.Made of abs material, sturdy, waterproof and insulated, ensuring safe and long-term use.2.Non-disassembly testing with wider slotted end, supports multiple tests for ignition system components.3.High-brightness led bulb, clear indication in any environment, accurate and quick test results.4.Portable pen clip design, mini and compact, easy to carry for outdoor and daily maintenance.5.Suitable for most cars, trucks and suvs, ideal for mechanics and personal use.

• Material & Durability: Made of sturdy ABS material for excellent insulation and impact resistance. Waterproof design ensures longevity and reliable performance in various conditions. It feels comfortable to handle and is built not to break or deform easily.
• Core Function & Easy Testing: Quickly diagnose your engine ignition system without any disassembly. This tester pen checks spark plugs, spark plug wires, and ignition coils by simply placing its wider slotted end on the wire. A flashing high-light bulb clearly indicates a working spark signal.
• Universal Compatibility: Suitable for testing most vehicles. It works on both ignition systems and circuit breakers. This tool is perfect for mechanics and DIY enthusiasts to perform convenient, time-saving, and safe electronic faults diagnosis.
• Design & Portability: Features a portable pen clip and a compact size similar to a regular pen (4.84" / 123 mm). You can easily clip it in your pocket or store it in a toolkit for use anytime, anywhere, even for outdoor work.
• Clear Indication & Package: The LED light indicator is always transparent and visible, allowing you to see the status even in dim environments. The grooved end provides a larger contact area for accurate results. You will receive 1 x spark ignition tester pen ready for immediate use.