Sound of a Geiger Counter for your dioramas! Size_3mm LED and the signs will default

and the signs will default to the correct size for your scale:

Some use Model Airplane canopy glue

and Nano size LEDs

Public Places

Sound of a Geiger Counter for your dioramas! Size_3mm LED and the signs will defaultThis 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