Truck simulation sound kit (SK1)

CROSS-RC Truck simulation sound kit will upgrade to your scale become perfection. It's linkage with accelerator and 100% simulation to sound of truck hooter, running, stop and speed up or down, let you have fun on the scale.
Adaptive Voltage 6-12V (2-3S lithium battery, 6V/7.2V NI-MH battery, 6.6V/9.9V lepidomelane battery are application).
Rated power output 3W, Max. power 9W (suggest to use 2-3W rated power full frequency loudspeaker).