IDEAL LanXPLORER PRO Premium R150001 - LAN Cable Testing, Wiremap, Crossed Pair Testing, PoE Testing, Current Measurement, Loopback Testing, Network Testing, Wireless Connectivity Testing, Network Mapping - USB - Network (RJ-45) - Twisted Pair, Optical Fiber - Wireless LAN - Gigabit Ethernet - 10/100/1000Base-T - 1Number of Batteries Supported - Battery Included - Battery Rechargeable - Nickel Metal Hydride (NiMH):