Tests standard PC cables for continuity and wiring configuration. Product featuresIdentifies open, shorted and cross-connected wires Maps both ends of the cable 9-volt battery included Connectors includedRJ45 (Shielded & Unshielded) and RJ11 & RJ12 Telephone Jack RG58/59 BNC & F100 (CATV) Coax Jack DB09, DB15 and DB25 Male/Female DH15 (VGA) Male/Female USB A, B and mini 5 pin Jacks 1394 Firewire 4 and 6 pin Jacks MD04 (SVHS)/MD06 (PS/2 Keyboard or Mouse) Jacks CN36 Female