Features: ~ Powered by 9V alkaline battery ~ 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.