Gembird Digital network cable tester - Indicates wiring problems in Cat 5E, 6E, coaxial and telephone cables: open circuit, short circuit, jumper wire, reverse connection Measures the cable length and determines the distance to the open circuit The length measurement accuracy up to 97% via built-in calibration Self-checks and automatically compensates any change in battery capacity or ambient temperature Up to 50 working hours of the battery life Max cable length: up to 1350 m Više informacija na linku