Car Engine Sound Simulated System Module 58 Sounds for 1/10 RC Crawler Off-road Car The Engine Simulated Sound Module is specially designed for1/10 RC Crawler Off-road Car Features: Lightweight, Mini size. Easy to install and operate It is specially tailored for 1/10 RC Crawler Off-road Car Built-in higher efficiency amplifier, lower power consumption and more power saving  Equipped with 58 different sound effects from engine, brake, reverse car to danger alarm You can freely set what you want through software parameters like throttle response time, braking time, sound volume   Any problem, please contact our store without hesitation. Honor to serve you Specification: Power Amplifier: Input Voltage: 7-25V                              Max. current: 2A Controller Connecting Line: Input Voltage: 4.8-5.0V                                              Max.Current: 0.5A Audio Output Power: Max.10W Sound Box Size:  80 * 45 * 30mm                            Wire Length 20cm                            JST connector                                           Package Information: Package Size: 12 * 6 * 4cm / 4.58 * 2.34 * 1.54in Package Weight: 183g Gift box Package Package List: 1 * Engine Simulated Sound Box 1 * Cable Set 1 * Manual