Optimal Shop Network Cable Tester Test Tool RJ45 RJ11 RJ12 CAT5 CA...

Optimal Shop Network Cable Tester Test Tool RJ45 RJ11 RJ12 CAT5 CAT6 UTP USB Lan Wire Ethernet

• 100% new network tester, with LED lights and micro-power supply interface.
• Keep your network running smoothly by testing your cables to uncover problematic shorts, open wires, crossing pairs and other wiring mishaps.
• Use for testing your homemade Ethernet patch cables to make sure they are in working order prior to connecting to your devices.Tests RJ45 cables, RJ11 telephone cables and network cables.
• Easy to read LED display indicates problems.Hand-held for portability.
• Requires one 9-volt battery (not included).Battery is advised to change if any weak light appears.Or through the micro-port power work.