1. Pack of two 12V 550 40000RPM motors designed to enhance power and speed in your kid's ride-on toy car. Made from heavy-duty plastic board combined with motor, this ride-on car gearbox offers robustness, performance and an extended lifespan, providing value for your investment.<br> 2. 12V550 40000RPM drive motor gearbox comes with features such as a DC voltage of 12V, a speed of 40000RPM, a compatible 12mm shaft hole diameter, and a compact motor diameter of 35mm. This combination ensures performance and a smooth ride for your child.<br> 3. Experience simplicity in installation and replacement. This gearbox is made for performance and easy usage. Model numbers are accessible for convenient identification and gadget compatibility. Suitable for use in ride-on children toys, especially those using a 12V motor gearbox.<br> 4. Enjoy customization options for car modifications. With its high-speed functioning, this 12v Motor Gearbox adapts to a majority of children's Ride-on Cars, providing a seamless upgrade for a thrilling and smooth ride that your little ones will enjoy.<br> 5. Installation is easy with quick-change wire connectors requiring no soldering. Rapid install or removal of gearcases is ensured. Also, conduct a thorough check of your car's battery to ensure proper functioning. Confirm that the battery isn't and that the battery cable is securely connected for operation. Color: black<br> 6. Material: plastic+metal<br> 7. Note: There is slight color difference or difference between the actual product and it does not affect the use. Package Contents:<br> 8. 2 Pcs Kids Ride On Car Gearbox 550 12V Motor Only the above package content, other products are not included.<br> 9. Note: Light reflection and different displays may cause the color of the item in the