FLUKE NETWORKS' DSX-ADD 1 GHz cable analyzer modules add-on kit includes two (2) DSX-5000 cable analyzer modules, set of CAT 6a / Class EA permanent link adapters, set of CAT 6a / Class EA channel adapters, two (2) headsets, two (2) hand straps, two (2) shoulder straps, carry case, Versiv open source software CD, two (2) AC chargers, two (2) universal couplers, statement of calibration and getting started guide.