5W Engine Sound Module 3.6-8V Black Sound Simulation Module Remote Control Car Sound Module For 1/10 1/8 1/6 Rc Model Car.Is Electric : No Battery Is Batteries Included : No Material : Plastic Origin : China Recommend Age : 14+Y Lifelike Rc Engine Sound Effects: This Rc Engine Sound Module With 5W Speaker Simulates Lifelike Engine Sounds, Making It Ideal For Rc Tractors, Construction Vehicles, Container Trucks, Excavators, Crawlers, Racing Cars, And Other Model Vehicles. Suitable For Multiple R