Standard duplex LC connector, multimode 50/125 fiberDuplex clips are easy to insert when holding the connectors togetherFunctional test to ensure performance and integrityFor multimode 50/125 fiber test applicationsColour: as shownMaterial: plasticPackage Contents:2 * LC/UPC Fiber Optic Loopback Adapter CableOnly the above package content, other products are not included.Note: Light shooting 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.