The Klein Tools VDV501-826 VDV Scout Pro 2 LT Tester and Test-n-Map Remote Kit is a versatile voice/data/video cable tester that locates and tests coax, data and telephone cables. The Test-n-Map Remotes save time by testing, mapping and identifying a location in a single step! In addition, you can measure cable runs, cable left in a box as well as bill jobs more accurately. With this kit, you can ensure fast and accurate cable installations each time.