Maintain Optimal Signal Quality By Removing Dust And Particulate Matter From Fiber Optic Connectors; Supports Lc/Sc/St/Fc-Upc And Apc Polished Fiber Ends - Convenient Push-Button Design; Press To Retract Shutter And Expose The Cleaning Belt - Ideal For Fiber Optic Networks/Data Centers/Server Rack Installations; Suitable For Onsite Maintenance Of Fiber Patch Panels Connections/Transceivers - Portable And Lightweight; Supports Up To 500 Uses; Shutter Automatically Resets After Each Use