Usage Tips:Construction: This 2-piece set features a 12V RS390 16000RPM drive engine, crafted from robust plastic and equipped with a motor, ensuring long-lasting performance and reliability in children's ride-on vehicles. Compatibility Check: seamless integration with your child's electric ride-on by verifying the compatibility of the gearbox's plum connector. A perfect match is crucial for optimal performance and . Specific Design for Ride-On Toys: Tailored specifically for children's electric ride-on cars and motorcycles, this replacement gearbox and motor set must be identical in appearance to the old parts to proper fit and function. Effortless Installation: Equipped with quick-change wire connectors, this gearbox allows for easy installation without the need for soldering. It's designed for quick removal and replacement, making maintenance a breeze. Operational Verification: Before installation, please check the operational status of your child's ride-on car. Confirm that the battery is in good condition and all connections, including the battery cable, are secure and intact. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Black Material:plastic+metal Package Contents: 2 * Gearbox with DC Motor 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.