Auto/manual scan modes Separate status LED for each wire Tests the following cables: USB (Universal Serial Bus) (Type A/A, Type A/B), RJ-45 (UTP/STP), BNC, Co-axial & RJ-11/RJ-12 modular cables Supports the following standards: EIA/TIA 568A/568B, AT&T 258A, ISDN, 10 Base-2, 10 Base-T, 100 Base-TX, 1000 Base-T, Token Ring Carry case included Requires 9V PP3 battery (not included) Dimensions: 65 x 137 x 30mm (Wx Hx D) 2 year warranty This cable tester is a compact, palm sized unit for testing USB (Universal Serial Bus) & network cables. It can be used to read & check the pin-out configuration of cables before & after installation. A separate passive module is included for remote testing of pre-installed cables.