LVPRO3 Features Aps, all pre-loaded: ✓Cable test pack - Cable diagram, Pass/Fail, Delay, Skew, Ohms 1% HQ, Wall Jack ID ✓Speaker 7.1 ID. Especially designed to properly map and label A/V speaker wires. Requires 477-949 remote kit. ✓Speaker Pop - Locate speakers by audibly “popping” them. (Alligator clips included with all LVPRO Models) ✓Port Blink - Locate a cable connection to a switch port by blinking the switch’s Link LED ✓Toner Locator - Place a tone on one end and detect it on the far end. (Requires remote tone probe 477-946) ✓Alert LEDs - Two LEDs quickly alert you to an active switch connection or voltage on the line. LVPRO3 includes : LVPRO Remote Unit, Cat 6 Patch Cables (2), RJ45/alligator clips adapters (2), RLQ Adapters,Upgrade/Printer/PC USB Cable (6") Protective case (zippered) and 9V Battery (1) plus Illustrated Users Manual. Designed and manufactured in the USA.