This 4 in 1 Cable Tester can test typical Phone, LAN and Computer cables. It tests installed cables or patch cords with RJ-45, RJ-11, USB and BNC connectors.
This network cable tester is an ideal tool for testing the Continuity, Miswiring, Open, Short, Cross Over, Grounding of Cable.

Features:
Test 4 types of cables: RJ-45, RJ-11, USB and BNC.
Test installed wiring or patch cables.
Tests shielded (STP) or unshielded (UTP) LAN cables.
Test shields in USB cables.
Can test from 2 remote points.
Beeper provides audible annunciation of test results.
Remote unit stores in Main unit.
BNC terminator 25/50 Ohm indications.
Straight or crossover indications.
LEDs indicate connections and faults of wire and pins.
RJ-11/RJ-45 are equipped with 50u gold plating.
300 feet test distance (RJ-45/RJ-11/BNC).
Ergonomic portable handheld design.
Powered by a 9V Alkaline battery. (Not included)
Convenient battery access.
Low Battery Indicator.
Simple one button test.
Fast speed testing.
With a soft leather bag for carrying.
High quality warranted.

Specifications:
Cable Tested:
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
Faults Indicated: No Connections, Shorts, Opens and Crossover
Low Battery Indicator: LED lights to indicate low battery
Power: 1 x 9 V 6F22 DC Alkaline Battery (Battery Not Included)
Color: Grey
Item dimensions: Appox. 162 x 85 x 25mm (6.38 x 3.35 x 0.98 inch)
Item weight: 164g (Battery excluded)
Package dimensions: 225 x 110 x 43 mm
Package weight: 215g