Usage Tips:RS390 12v 16000 rpm Car Motor Gearbox For Kids Electric Car Toys AccessoriesProduct This is a great electric motor gearbox used for children 39;s cars.The middle gear is made of metal which is more sturdy and durable.It will make quite low noise and more wear-resistant.It will be a great replacement part for your broken or old ones.The voltage is 12V and the speed is 16000RPM.Name: Electric Motor GearboxTotal length: Approx 16.5cm / 6.5 inchHole Diameter: 1cm / 0.39 inchTorque: Motor GearboxColour: blackMaterial: plasticPackage Contents:1 * Electric Motor GearboxOnly the above package content, other products are not included.How to distinguish the motor model: 1. Generally, the model will be written on the motor, such as 6V390 will write RS390-6VDC. 2. If the writing is worn, you can judge the model by the following data: 390 The length of the motor is 4.6cm, the diameter 2.75cm, gear box length 16.5cm, aperture 1cmNotePlease allow 2-3 cm difference due to manual measurement. Besides different computers display colors differently, the color of the actual item may vary slightly from the below images, thanks for your understanding(1 inch = 2.54 cm) Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please dont hesitate to . We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it