Manufacturer: Viessmann Art.-No. 5570 EAN: 4026602055701 Gauge Neutral Delivery Date: Q2/2010 Sound module Holzhacker Experience model railways with all your senses: the stationary sound module adds the appropriate sounds to the Moving Worlds scenes. Set includes sound module with loudspeaker and has a control input for motion-synchronous sounds. Operating voltage 14 - 16 V ~/=.