End of Train Device with Track-Powered Flashing LED - HO Scale. Replace one truck/coupler on your Bachmann freight car with this Flashing LED End of Train Device to finish the end of your freight train. Tracking powered; no wiring required. Operates on both DC and DCC layouts. It installs on the following HO Bachmann rolling stock with E-Z Mate® couplers and may also be compatible with some other popular brands: 50' Plug-Door Box Car, 56' ACF Center-Flow Hopper, 50' Steel Reefer, 52'6'' Flat Car with 35' Piggyback Trailer, Evans All-Door Box Car, 27' Ore Car, Canadian 4-Bay Cylindrical Grain Hopper, and 50'6'' ACF Outside Braced Sliding Door Box Car.