The unit not only identifies open circuits, short circuits, cross-wires & mis-wires for all these cable types it also shows the pin-to-pin connectivity & has the ability to record up to 100 tests that can then be uploaded to a PC. The unit also features a low battery indicator & comessuppliedin a soft carry case. Requires 9V battery (not included) Package Contents Cable Tester USB 2.0 A to Mini B cable, 1.8m USB 3.0 A to A cable 30cm User Manual Carry Case Driver & software CD