Fiber Red Light Test Pen Red Light Sources Through Optical Pen Optical Fiber Detection, 5MW, 10MW, 20MW, 30MW, 50MW

1. Metal tip/ceramic core can be replaced by yourself
2. One button operation, easy to understand
3. Strong anti-oxidation, durable, alloy material performance, corrosion resistance
4. Standard 2.5mm universal interface, support FC, SC, ST
5. Easy to penetrate, long distance fiber optic, laser head stability, good penetration effect
6. Metal body, wear-resistant and drop-resistant, non-slip handle, comfortable hand feeling
7. Power supply: 2 AA batteries (not included)
8. Material: metal
9. Weight: about 145g