Product Purpose: This product is a scientific tool to help you develop your skills. Product advantages: The product is light in weight, high in power and compact in structure. Small and flexible, light and portable, DIY, transparent design, fine workmanship, high-tech ornaments Product Manufacturing: Made of high-quality materials, sturdy and , suitable for long-term use. This model is not just for educational purposes; it is a for enthusiasts and collectors alike. Gift: Can be given as a gift to family and friends. It is the for birthday gifts and Christmas gifts. Take a look:Turbine Brushless Motor Aero Engine Model Toy Weight:0.455kg Power supply:Type-c (need to bring your own charger with type-c plug 5-12v 3a) Power:20W Speed:1200r/min Colour:As Shown Material:Plastic+Metal Size:14.5x10.2x7cm Package Contents: 1 * Turbo Brushless 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.