TREND Networks 10G Ethernet Troubleshooter and Bandwidth Tester - LAN Cable Testing, Bandwidth Monitor, Speed Testing, Validate Network Upgrades, PoE Testing, Network Troubleshoot - Network (RJ-45) - Twisted Pair - Wireless LAN - 10 Gigabit Ethernet - 10GBase-T - 2Number of Batteries Supported - Battery Included - Lithium Ion (Li-Ion):