Use durable tungsten filament incandescent bulb with 3W power to prevent false connection and false detection.

Imported optical grade PC material, good light transmission effect, sturdiness and durability.

Equipped with high-quality alligator clips, exquisite workmanship. Flexible spiral wire, easy to use.

The light is bright, and you can feel the charge without being formal.

It is specially designed for detecting low-voltage circuit failures of transportation machinery; it can be used in maintenance operations of transportation machinery such as automobiles, motorcycles, bulldozers, and road rollers.

When using, please insert one end of the banana plug test wire into the metal cap of the top neon electroscope to ensure good contact. The alligator mouth clip end is grounded or the metal shell of the car, the probe end is inserted into the wire, the pen arm light is on, indicating that the loop (or complete circuit) test point has been established, and the service is normal. If the indicator light is off, it means there is a fault .