LAN Cable Tester ‧Open / Short / Misswiring test ‧BNC / RJ45 each pin connected display ‧No wire or termination ‧Isolation Resistances 50K ohms test Features：    1. The Portable design is easy to carry and operation.    2. Multi-function is more economical.    3. The multiple LEDs display a clear indication and comes with "Buzzer" assistant.    4. Easy to verify cable continuity, open, short and miss-wired.    5. Power saving automatically and Battery low indication.    6. Power：9 - Volt Battery.