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._x000D_ _x000D_ Features:_x000D_ _x000D_ Can test from 2 remote points. Beeper provides audible notice of test results. _x000D_ Low battery Indicator. Simple one button test. _x000D_ LEDs indicate connections and faults of wire and pins. _x000D_ UTP and STP LAN cables, terminated in RJ-45 male connectors (EIA/TIA 568). _x000D_ RJ-11 cables with male connectors, 2 to 6 conductors installed. _x000D_ USB cables with Type A flat plug on one end and type B square Plug on other end. _x000D_ BNC cables with male connectors. _x000D_ _x000D_ Specification:_x000D_ Faults Indicated: No Connections, Shorts, Opens and Crossover_x000D_ Low Battery Indicator: LED lights to indicate low battery_x000D_ Battery: 1 * 9 V 6F22 DC Alkaline Battery (NOT Included)_x000D_ Color: Grey_x000D_ Size: Approx. 162 x 85 x 25mm / 6.38 x 3.35 x 0.98inch_x000D_ Weight: Approx. 216g / 7.6oz_x000D_ _x000D_ Package List:_x000D_ 1 x 4-in-1 Network Cable Tester_x000D_ 1 x Far End Remote Jack (USB RJ45 RJ11) (Attached to the main unit)_x000D_ _x000D_ 1 x Carrying Bag _x000D_ _x000D_ _x000D_ Note: Please allow small size error due to manual measurement. Thanks for your understanding.