Powstro Network LAN Length Cable Tester Meter 5E 6E SC8108 CAT5 RJ45 GRAY EASY TO USE - Efficient, effective, reliable.A person is enough to complete cable continuity check and cable sequence.Indicates pair integrity of the cable.Measure length and pair with or without far-end recognizer. HIGH QUALITY & ONE YEAR WARRANTY - Auto time delay shut off.Comes with 1 far-end passive test jack.Far-end recognizer with prompt voice.Single board computer software watchdog design and reliable operation. LOCATES THE WIRING OR CONNECTION ERROR - Measures cable length and determine the distance of open circuit and short circuit.Permits you to check wiring error in 5E/6E twisted cord network, coaxial cable and telephone line. LIGHTWEIGHT & EASY TO CARRY - Self-checking function and automatically compensates any change in battery capacity or ambient temperature.Simple and easy to use, big LCD screen to display test results. Compact, lightweight, easy to carry and use. LONG BATTERY LIFE - Applicable for open circuit, short circuit, jumper wire, reverse connection or cross-talk interference.Dynamically calibrates cable length and make length measurement as accurate as 97%.Portable unit with long battery life (wait-case or standby mode for over 50 hours).