Rough Diesel Idle Sound Circuit Color_Blue We do NOT recommend connecting

We do NOT recommend connecting our 3 Volt LEDs to a non-regulated adapter as the potential output voltage would be too high

Better Together

**Lightning circuit sold separately**

The lights also have a separate switch

Rough Diesel Idle Sound Circuit Color_Blue We do NOT recommend connectingTruck Engine Sound Effect Circuit Add this rough diesel idle engine sound effect to your model semi trucks, tow trucks, excavators, tractors, and more heavy diesel vehicles! This idle sound circuit has a compact design allows you to discreetly place it into your model vehicle, or amidst your landscapes or diorama to create a great soundscape to enhance the overall realism and experience of your model, layout, or diorama. Make your truck come alive!