Check the listing for details. Loop Check Phones™ Continuity Test Electrician Phones Set TE002-B. Condition: New. Listed at 124.99 USD. TE002-Black OEMHighest qualitySUPER loud & clear sound qualityInternal battery includedSUPER bright LED100% Ready to use right out of the bagSupport on how to useMade in the USA! Professionally made with the highest quality parts 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. Includes turn ON/OFF switch, super bright LED light that lets you know when continuity is complete, Velcro ties to secure wire leads, heavy duty kink-less test leads, heavy-duty black zip tool storage bag, internal battery and support on how to use. Both the master phone and secondary phone have snap on alligator clips and right-angle input jacks making them ideal for control panels, I/O panels and MCC's. Communicate two people loud and clear, no noise or interference. Let us know if you have any questions. Send us a message for additional shipping options. We can ship worldwide!***WARNING/DANGER/CAUTION: 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.