This module provides 58 kinds of real engine sounds to enhance your driving experience Built-in high-efficiency amplifier, low power consumption and more power saving The amplifier effect is better and more power-saving, and does not affect the vehicle's endurance Enhance the realism of your remote control vehicle with our advanced car engine sound simulator design, easy to operate and install Small size, easy to install, simple and easy to use Easy to install and compatible with most RC models, this sound simulator brings your hobby to life with audio that imitates real engine noises, providing an immersive experience for all RC enthusiasts Input voltage: 7-25V Maximum current: 2A Remote control wiring: Input voltage: 4.8-5.3V Maximum current: 0.5A Maximum audio output power: Max. 10W (The product appearance and printed words depending on the batch, but this does not affect use) Colour:black Material:ABS Package Contents: 1 * Engine Sound Simulator 1 * Adapter Cable 1 * Y Cable 2 * Double-Sided Tape Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.