I have the EZ Command system. Good simple system that really is a trough away or give away system if you want to get something better in the future.
The instruction manual could be better.
As is, it will run "up to 3 engines" at the same time but if you want to run more you need the power supply that is kinda expensive.
I got mine to see what DCC was all about. I have used it less than a year and am ready to upgrade this spring. I don't regret buying it, I regret buying it from a hobby shop that the owner is a train guy but knows nother about DCC nor seems interested in learning.
Rick