Please see photos as they are part of the description.MRC Model Rectifier Corporation Rail power 1370 original box used. Box says for HO and N gauge trains.Selling AS-IS with no returns. Have not used so it is untested. Tested okay under no load. Please email with any questions before bidding. I try and combine shipping if possible. With any mechanical/electrical device we cannot guarantee service or warranty it will continue to function. Please see other power supplies for sale.