• Tests datacom, telecom, security, video, and audio networks.
• Displays network activity and speed
  (10Mbps vs. 10/100/1000Mbps).
• Blinks port light at the hub/NIC to assist in cable & outlet   location.
• Tests for wire continuity, 4/5 (line1) and 3/6 (line2) polarity,   and voltage.
• Enables voice communication using test sets in enhanced talk   battery mode.
• Two-tone tone generator, Net Probe features signal LED,   volume control, modular connection jack, test pins, ring/tip   tester, and earphone jack, easy tip replacement.
• Alligator clips, RJ45 jack, RJ12 plug, optional F connector; low   battery indicator, lanyard