This network cable tester can help test installed wiring or patch cables, test shielded (STP) or unshielded (UTP) LAN cables and test shields in USB cables. Suitable for testing 4 types of cables: RJ-45, RJ-11, USB and BNC.Features:Can test from 2 remote points. Beeper provides audible notice of test results.Low battery Indicator. Simple one button test.LEDs indicate connections and faults of wire and pins.UTP and STP LAN cables, terminated in RJ-45 male connectors (EIA/TIA 568).RJ-11 cables with male connectors, 2 to 6 conductors installed.USB cables with Type A flat plug on one end and type B square Plug on other end.BNC cables with male connectors.Specification:Faults Indicated: No Connections, Shorts, Opens and CrossoverLow Battery Indicator: LED lights to indicate low batteryBattery: 1 * 9 V 6F22 DC Alkaline Battery (NOT Included)Color: GreySize: Approx. 162 x 85 x 25mm / 6.38 x 3.35 x 0.98inchWeight: Approx. 216g / 7.6ozPackage List:1 x 4-in-1 Network Cable Tester1 x Far End Remote Jack (USB RJ45 RJ11) (Attached to the main unit)1 x Carrying BagNote: Please allow small size error due to manual measurement. Thanks for your understanding..