Fluke Networks DSX-602-PRO Cable Analyzer - Cable Testing, Twisted Pair Cable Testing, Cable Fault Testing, Wiremap, Delay Skew, Insertion Loss Measurement, Resistance Measure - USB - Network (RJ-45) - Twisted Pair - Wireless LAN - 10 Gigabit Ethernet - 10GBase-T - 7.2V - Lithium Ion (Li-Ion):