Features: Constructed of metal, with good heat dissipation function. Cooling fan with super strong wind, better cooling effect. Suitable for: VXL-3S Rally/Stampede #3340 Appearance: Novel appearance and exquisite workmanship. Keep your Remote Control vehicle running smoothly and reliably with this essential accessory, ensuring better Performances in every thrilling adventure. Specifications: Component: Plastic Size: Approx.34x39mm/1.34x1.53inch Color: 4 Option Quantity: 1 pc Package Includes: 1 pc Cooling Fan note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.