Note: The color of the product we ship is the color in the first picture, and the specification and quantity are shipped according to the quantity and specification described in the title. If you need to change the color or style, you need to contact us within 12 hours after placing the order. Our product description: Product Features:1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.Using high-hardness steel, good toughness, impact resistance, bearing quality and motor service life are improved, very durable.4.High temperature resistance, high wear resistance, strong carrying capacity, sturdiness and durability, effectively protecting the gearbox motor body.5.The lower the speed, the greater the power, and the lower the sound on the contrary, the higher the number of revolutions, the lower the power, the greater the noise, and the faster the running speed.Specifications:Product material: MetalColor: SilverBrand name: BQLZRSize: 8.6x3.8cm or 3.39x1.50inch(LxW)Weight: 458gPackage include:2 x Cable4 x Gear2 x Children Electric Car Motor Note: Because the model and display effect of the monitor may be different, there may be slight differences in color, and the size is manually measured, there may be an error of 1-2cm, please understand.