Fluke Networks LinkIQ Cable + Network Tester - Network Testing, Cable Testing, Cable Fault Testing, Analog Camera Testing, Frequency Measurement, Blink Port Light, Visual Fault Locator, Wiremap, PoE Testing, Twisted Pair Cable Testing - USB - Network (RJ-45) - Serial Port - Twisted Pair - Wireless LAN - 10 Gigabit Ethernet - 10GBase-T, 1000Base-T, 100Base-TX, 10Base-T - 3.6V - Lithium Ion (Li-Ion):