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A fiber optic fault locator (also known as a visual fault locator, optical inspection light, or optical laser pen) is a tool used to detect faults in optical fibers using visible light (red light).
Wavelength: 650 nm
Output power: 10 mW
Fault detection range: up to 10 km
Universal connector (2.5 mm): FC / SC / ST
Compact handheld design, supplied with a belt pouch and strap hook
Power supply: 2 × AA batteries
