Bachmann PRR 3236 HO Scale Alco 2-6-0 Steam Locomotive - DCC Sound Value On Board DCC Sound Value sound package with authentic prototypical chuff, short and long whistles, bell, air pump, steam release, and blower Locomotive backed by Bachmanns exclusive Limited Lifetime Warrantee HO Scale  1:87 -- Conforms with NMRA (National Model Railroad Association) Standards