The Klein VDV501-809 VDV Scout Pro Tester Kit features simultaneous testing of video and data cables to save time and improve efficiency. It combines multiple VDV test functions and mapping kits, and tests voice (RJ11/12), data (RJ45), and video (F-connector coax) connections. This kit includes VDV Scout Pro Tester, 5 location RJ45 Remotes, 5 location F-Connector Remotes, one F-to-F Barrel Connector. Batteries: 9V Alkaline Battery. Overall Length: 6.3-Inch.