The 62-164 Pro amplifier probe is used to audibly amplify analog signals generated by standaloneor built-in IDEAL tonegenerators. The probe has an adjustable volume control knob. The probe tip is plastic to trace and identify cables within a bundle. The plastic tip also prevents sparking in energized systems. The 62-164 amplifier probe is compatible with all IDEAL tonegenerators and tonefunctions on wiremap based testers that include a tonegenerator (62-160 Pro tonegenerator, 33-856 VDV; 62-1202 MiniTracker™ Pro). The 62-164 is also available in the 33-864 Pro tonegenerator and amplifier probe kit which includes the 62-164 amplifier, 62-160 tonegenerator, carrying case and accessories.