Fiber optic light source, power meter, CAT5/RJ45 tester & LED torch - 15mW VFL
Visible Fault Locator - 850nm 15mW VFL red light source. Small handheld high precision 4-in-1 ST/SC/FC fiber optic and RJ45 CAT5 network cable test tool with LED torch. - RJ45 CAT5 tester. - LED lighting: LED flashlight lighting function.