Sell Network Tester & Fittings Series-Audio Net-Work Cable Tester-CT-NT002A

Network Tester & Fittings Series-Audio Net-Work Cable Tester-CT-NT002A You May Also Be Interested In: cable tester net cable net work cable network tester
High sensibility and loud volume.
Sound or illumination and vocal-light indicating for choice.
Volume adjustable. .
Choose switch of multiple frequency signal and single signal.
Telecom and LAN line polarity and continuity testing.
Power supply with 9V BATTERY.