50MW Fiber Red Light Test Pen Red Light Sources Through Optical Pen Optical Fiber Detection

1. Metal tip/ceramic core can be replaced by yourself2. One button operation, easy to understand3. Strong anti-oxidation, durable, alloy material performance, corrosion resistance4. Standard 2.5mm universal interface, support FC, SC, ST5. Easy to penetrate, long distance fiber optic, laser head stability, good penetration effect6. Metal body, wear-resistant and drop-resistant, non-slip handle, comfortable hand feeling7. Power supply: 2 AA batteries (not included)8. Material: metal9. Weight: about 145g