This Cable Tester is easy to use. Push the ON button to start scanning. When any available grounding wire is closed, the LEDs will indicate the number of the wires.
Auto scanning mode for quick testing
9 LEDs to indicate which wire whether open or not on both remote and master unit
If you are in need of a decent network cable tool, and a cable tester, you won't find it any cheaper than this.
Deal is good for about 8 more hours.