Experience model railways with Allen your senses: The stationary sound module adds the appropriate sounds to the scenes of the “Moving Worlds” and is available in various themes. The sound module has an internal speaker and a connection for an external speaker. The volume is of course adjustable. Operating voltage 14 – 24 V DC = or 10 – 16 V AC ~. Suitable for: Railway crossings Art. 5100 (H0), 5104 (H0), 5108 (H0) 5700 (TT) and 5900 (N). Recommended for model builders and collectors over 14 years old. Due to scale and prototype or functionally related design tips, edges and small parts. Therefore, out of the reach of children under 10 years! With regard to the sales packaging that we first filled with goods and delivered to private end consumers, we have joined the nationwide take-back s.