Digital Command Control (DCC) Decoders w/Sound -- Synchronized Steam

Each supports two or four-digit addressing, advanced consisting, accessory functions, programming on the main and 14, 28-128 speed steps. Each includes speaker. Steam chuff is synchronized to your locomotive. Other sounds include long whistle, short whistle and bell. Supports two or four digit addressing, advanced consisting, accessory functions, programming on the main and 14 28-128 speed steps. Includes speaker.