New unique pen shape design,convenient to carry and field test.Stable power output,low power,outstanding performance.CW and glint mode switchable,aluminum alloy enclosure.Easy identification of fiber break,bend,you can protect the fiber layerWidely used infiber optic transmission,network maintenance and optical fiber test instruments.This visual fault locator is used to check fiber breakage,bending failure location.Colour:BlackMaterial:plastic +metalSize:19.5 x 7 x 3cmPackage Contents:5 x Visual fault locator5 x Portable strap5 x User manualOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.