For more information, please check: Engine Sounds Set
Let the RC car imitate the real car’s engine sound, link the accelerator,sound would changes with the throttle.
When you install it, it like the real car which imitate the engine growling.
Suit for many car,it has 10 kinds of car’s engine sounds.
horn size: 100x45x20mm
machine box size:65x37x22mm
suit for 2.4Gh RC Car
1set accelerator sound set