On DCC layouts both LED will illuminate to show power is present. An ideal way to check for dead sections or problems caused by points, broken wires etc.
Model Railway Track Tester - For N, suitable for both DC and DCC layouts
Hornby TT Gauge Half Curve, 310mm, 2nd Radius 15°, TT Model Railway Track, Brown, 1:120 Scale, Extra Track Pieces for Model Railway Sets
