Description Individuals can perform connectivity tests Can detect wiring errors 5E, 6E coaxial cables and telephone lines, including: open, short, jumper, reverse gear and crosstalk Localisation of wiring Measure the cable length and search the exact position of OPEN SHORT The cable length dynamic calibration function, so the length of measurement accuracy is up to 98% Easy e large screen display of test results at a gloss easy to carry, automatic deceleration from Have remote identification can plug length measurement Specifications: Port: Tester RJ45 master port (M), Tester loopback RJ45 port (left), Remote ID RJ45 port (right) Calibration accuracy: 3%( 0.5 m or 1.5 ft) (Calibration cable 5 m) Shipping accuracy: 5%( 0.5 m or 1.5 Yingchi) (AMP, Class 5-cable) Length calibration: The user can set the self-calibration factor for a specific cable length. Cable length calibration of more than 5 meters The distal end of the instrument to identify the audio prompt Condition:100% new and Manufacture:China,Chinese Factory Homegrown products for Sale Friendly tips: Please allow minor error of measurement,due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding Package Included 1 x Multi-Tester cable network 1 x Far End Connector Test 1 x Instruction Manual