This pack has a higher outpur of 150* watts and is compatible with all O/S scale 3 rail trains and for both Lionel a;nd MTH sound locomotives. This back lit LCD meter will provide a digital read out of the voltage and current output of the pack.

*MRC power pack wattage readings are based on our packs producing the power stated for as long as the unit is being used. Other brand ratings may only be good for short bursts and not sustained output