LABEL - Use zip tie tags or string labels (sold separately, see images) to indicate different port configurations IDENTIFY - Bright green design easily shows users where to connect in offices or on switches, patch panels, etc PROTECT - Hermetically sealed, insulates port contacts at >500m STAYS IN PLACE - Clicks in just like a standard RJ45. Contains no metal contacts, will not crimp to wire. A simple solution from a U.S. Veteran-owned business.