CLEAR – INNOVATIVE FILTER TECHNOLOGY BLOCKS INTERFERENCE (“BUZZ”) THAT MAKES TRACING DIFFICULT (“F” MODELS ONLY)PRECISE – SMARTTONE™ TECHNOLOGY PROVIDES FIVE DISTINCT TONES FOR EXACT PAIR IDENTIFICATIONSENDS LOUD TONE UP TO 10 MILES (16 KILOMETERS) ON MOST CABLESLOUD SPEAKER ON PROBE MAKES THE TONE EASIER TO HEAR THROUGH DRYWALL, WOOD, AND OTHER ENCLOSURESANGLED BED-OF-NAILS CLIPS ALLOW EASY ACCESS TO INDIVIDUAL PAIRSRJ-11 CONNECTOR IS IDEAL FOR USE ON TELEPHONE JACKSATTACH NYLON POUCH (INCLUDED IN KIT) TO YOUR BELT FOR EASY TRANSPORT