Identify and map twisted-pair infrastructure (RJ45), up to 19 locations. The fastest, most efficient way to identify multiple locations at one time. For use with VDV Scout Pro and Scout Pro 2 Testers (Cat. No. VDV501-053, VDV501-068, VDV501-098, VDV501-108, VDV501-809, VDV501-814 and VDV501-816, VDV501-823, VDV501-824, VDV501-825, VDV501-826). Heavy-duty design for long life and repeated connections. Remotes numbered 1 through 19 for fast and accurate identification. CoaxMap Kit for VDV Scout Pro Tester – 19 location F-Connector Remotes (VDV512-056) also available. Always wear eye protection. Do NOT use on energized circuits.