Belkin F8V072-APL Retractable CAT5 or Mobile ISDN Cable Innovative design withstands repeated pulling and retracting Includes revolutionary eCoupler and eAdapter to extend connection distance and eliminate space consuming accessories eAdapter connects RJ45 devices to RJ11 wall outlets ECoupler + connects multiple devices to one wall jack Eliminates loose, tangled network cable, protects RJ-45 plugs from breaking, and stores 7 feet of network cable