Sound of a Geiger Counter for your dioramas!

This realistic Geiger counter sound is a great addition to your modeling and Sci-Fi projects. The sound loops for as long as you play it. Use the included battery snap switch to turn the counter sound effect on and off. Consider this for sound in your scale model trains as a train station telegraph. "What do I need to run this siren?" 7-12 volt battery / regulated adapter Your own battery, or for 9 volt get our 9 volt battery snap/switch or plug in 12 volt get our 12 volt regulated adapter