ME001 multifunctional set offers a variety of solutions to match the challenges faced in different situations at work. Packaged together in a convenient attachment pouch so that test leads stay organized and are easily accessible. The ME001 phone set includes universal straight/right angle test lead extensions, insulated fine point test tips, large alligator clips (open up 1 ½”), remote grabber clip, on/off switch, super bright LED light that lets you know when continuity is complete, internal battery, and Velcro ties to secure the wire leads. Secondary phone includes extra-long leads, screw on alligator clips, right angle input jacks, and a heavy-duty tool storage bag. These phone sets are professionally made with the highest quality parts, 100% ready to use right out of the bag, and designed to check for continuity. Made for electricians to work on non-energized single conductor cables and multi conductor cables no matter how long they are. Communicate two people loud and clear, no noise or interference. Let us know if you have any questions. Made by electricians, for electricians! ***WARNING/CAUTION/DANGER***Do NOT use on LIVE circuits or energized wires of any voltage. Misuse may result in serious injury or death. We are NOT responsible for any misuse that leads to personal injury, property damage, damage to the phones or any other equipment of any kind.