
FIBER OPTIC TOOL
WSOLDMA Born from the fiber optic communication industry, focuses on fiber optic tools, test instruments and transmission equipment.




VFL & Adapter - Comparison of Images and Text
![]() 80km VFL & Adapter | ![]() VFL & Adapter | ![]() VFL & Adapter |
|---|---|---|
Detection Range 80KM | Detection Range 10/30KM | Detection Range 15/30/50/80/100KM |
Is the VFL rechargeable? Yes | Is the VFL rechargeable? No | Is the VFL rechargeable? Yes |
with LED function? No | with LED function? No | with LED function? Yes |
Usage Precautions
Do not shine the pen tip directly into the eyes: Do not point the pen tip at your own eyes, the eyes of others, or at the eyes of pets during testing.
Why my VFL will not hold a charge / won’t turn on?
Please use standard 5V 1-2A USB charger. Do not use PD or QC fast chargers. Remember to slide switch to OFF position after use, otherwise battery will drain completely.
Storage and Power Supply Maintenance
Battery Management: Always remove the battery if not in use for extended periods; avoid overcharging when using rechargeable models, and disconnect the power promptly when fully charged.




VFL & Adapter - Comparison of Images and Text
Usage Precautions
Do not shine the pen tip directly into the eyes: Do not point the pen tip at your own eyes, the eyes of others, or at the eyes of pets during testing.
Why my VFL will not hold a charge / won’t turn on?
Please use standard 5V 1-2A USB charger. Do not use PD or QC fast chargers. Remember to slide switch to OFF position after use, otherwise battery will drain completely.
Storage and Power Supply Maintenance
Battery Management: Always remove the battery if not in use for extended periods; avoid overcharging when using rechargeable models, and disconnect the power promptly when fully charged.
FIBER OPTIC TOOL
WSOLDMA Born from the fiber optic communication industry, focuses on fiber optic tools, test instruments and transmission equipment.






























































