NetAlly CyberScope CYBERSCOPE-CE Network Monitoring Device - Twisted Pair Cable Testing, Fiber Optic Cable Testing, Crossed Pair Testing, Split Pair Testing, Open Circuit Testing, Short Circuit Testing, Wiremap - LCD - 2 x USB - 2 x Network (RJ-45) - 1 Number of Total Expansion Slot(s) - SFP - 1 Number of SFP Slot(s) - Twisted Pair, Optical Fiber - Wireless LAN - 10 Gigabit Ethernet - 10GBase-T - 7.2V - Battery Rechargeable - Lithium Ion (Li-Ion):