4-in-1 Network Cable Tester with LED Display for RJ45/RJ11BNC/USB Cables

Can test four types of wires, which are RJ11 / RJ45 / BNC / USB. Easily visible LED display shows connection and error status. Show connected wires, cross wires. One-touch testing is simple. The sound of the beeps provides audible test results. Test the cable or jumper installed. Network scan automatic detection cable, detecting jump, short circuit, short circuit and core order.