While the concerns about DCC are valid, personally, at that price, I don't think you need to worry it too much. It's inexpensive enough that you could simply set it aside if you ever want to use DCC. Or, with a Dremel and some skill, you could try to fit a decoder into it yourself.
As for the coupler question, it(the HO version) comes with EZ-mate knuckle couplers. The website messed up and showed a picture of the N-scale version, which is equipped with Rapido couplers*.
Timothy
*Once again, I must complain about how slowly Bachmann is proceeding with converting to knuckle couplers in N-scale. It's been nearly a decade since Atlas and Kato did it, why can't you?
As for the coupler question, it(the HO version) comes with EZ-mate knuckle couplers. The website messed up and showed a picture of the N-scale version, which is equipped with Rapido couplers*.
Timothy
*Once again, I must complain about how slowly Bachmann is proceeding with converting to knuckle couplers in N-scale. It's been nearly a decade since Atlas and Kato did it, why can't you?