Accessories and Parts -2x RC Car Engine Sound Simulated Module Simulator with Speaker for RC Vehicles Highlights Generic Brand 2x RC Car Engine Sound Simulated Module Simulator with Speaker for RC Vehicles The description: The engine sound simulation system adopts advanced SGS and SFC technology, which makes the sounds more real. Support AUX channel, can simulate a variety of auxiliary sounds. Also can simulate kinds of alarm horn sound and support 4S Lipo. The system up to 10 built-in motor sounds, 5 built-in alarm sounds, switch freely with different motor. Support stop exhaust valve sound; and the brake sound can be set freely on and off; Support for positive and negative throttle direction settings. Low voltage protection and automatic detection of battery type on power supply and adjustable volume. Specification: Material: Plastic and Electronic Components Color: Black (As Picture Shows) Total Size: Approx. 46x46x44mm / 1.81x1.81x1.73 inch. Output: Monaural Package Include: 2pcs RC Car Model Sound Simulator Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.