THIS ITEM IS N Scale !!!!! IN STOCK & SHIPS OUT IMMEDIATELY, Unlike Other Dealers Who Take 5 Days or More to Order it Then Ship Out to You a WEEK Later !!!!!Up for your consideration is a – BRAND NEW, NEW Stock – HO or N Scale KATO UNITRACK – HO or N Scale Power Pack Standard SX – Item No. 22-018-1 This is Kato’s new power pack design after discontinuing the 22-014. This power pack is compatible with all past accessories such as turnout control switches and signal power supplies. This power pack can also be upgraded with alternative AC adapters to allow greater voltage and amperage output, although does include a standard adapter for out of the box operation. Ready-to-Use.