ITEM NAME:Second Generation Cool Throttle Linkage Groups Engine Sound Simulator With H8L2 Second Generation Cool Throttle Linkage Groups Engine Sound Simulator With H8L2 Use: Vehicles & Remote Control Toys RC Parts & Accs: Servo Accessories Technical parameters: Value 4 For Vehicle Type: Cars Model Number: RC Car Engine Sound Simulator Tool Supplies: Assembly Category Four-wheel Drive Attributes: Assemblage Remote Control Peripherals/Devices: Engine Sound Upgrade Parts/Accessories: Engine Sound Color: Black Material: Plastic size: 15 * 12 * 3.5cm Package Contents: 1 * Engine Sound Simulator 3 * Double-sided adhesive 1 * Cable Only the above package content, other products are not included. Note: Light shooting 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.