1. Measure network cable length to an end or broken point. 2. Check wiring error in STP UTP 5E, 6E, coaxial cable, such as open circuit,short circuit, jumper wire, reverse connection. 3. Display by big LCD, with clear wiremap. 4. Automatically time-delay shut off. 5. Length Calibration: User can set self-calibration factor by a given length cable (The length of calibrating cable needs to be more than 5M ) Network Cable Tester LAN Cable Tester SC8108 Device type: network tester Interface: USB Properties: measuring wire UTP STP Cat5E/Cat6 RJ45 Lan Network Cable Length Tester DK-8108 Self-checking and automatically compensate any change in battery capacity or ambient temperature. The cable connectivity test can be achieved by one person Wiring/connection error of positioning Measure the cable length, the location of the short circuit and locating open The length of the cable dynamic calibration function, make the length measurement accuracy up to 98% Easy to carry Automatic delay shutdown Whether on distal recognizer can length measurement Cable positioning, eight remote passive test socket (identification number ID1 standard) Remote identification instrument audio prompt functions Color: As Shown Material: plastic Package Contents: 1 x RJ45 Lan Network Cable Tester Kit(Without 4 x AA batteries,You need to prepare yourself) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.