Versatile Cable Testing: Cable tester tests data (RJ45) and video (coax F-connector) terminated cables, providing clear results Detachable Remote Design: Test patch cables or installed cables ( if the cable is pre-installed it can be test with detachable part) Comprehensive Fault Detection: Test for Open, Short, Miswire, or Split-Pair faults, ensuring thorough fault detection and identification Durable Design: Features rugged tester body with detachable remote storage and an east-to-interpret LED display Power Source: DC9V Battery Required (not included) Colour:Black Material:plastic Package Contents: 1 x Network Cable Tester 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.