Black Box EZ Check Cable Tester with Tone Generation and Probe - Coaxial Cable Testing, LAN Cable Testing, Tone Detection, Continuity Testing, Short Circuit Testing, Open Circuit Testing, Reversed Pair Testing, Split Pair Testing, Twisted Pair Cable Testing, BNC Cable Testing - Network (RJ-45) - Coaxial, Twisted Pair - Ethernet - 1Number of Batteries Supported - 9V - Battery Included - Alkaline - TAA Compliant: