Optimized for RC Models: This motor cooling fan ensures your model car motors run efficiently without overheating. Its compatibility with a wide range of scales makes it a versatile accessory for hobbyists High-Speed Cooling: The fan speed can reach up to 16,000 RPM for superior cooling. This high speed helps maintain optimal temperatures, thereby extending the life of your RC car motors and improving overall performance in competitions or casual play Construction: Made from premium materials, this cooling fan combines durability with style. Exquisite craftsmanship is reflected in its sturdy design, which guarantees long-term reliability and wear resistance, making it a worthy investment for any RC enthusiast Simple Installation Process: This ESC cooling fan is designed for easy installation without the worry of connecting incorrectly, allowing for a quick and efficient upgrade Item type: Motor Cooling Fan Max Voltage: 8.5V Max. RPM: 16000RPM Color: Black + Silver Material: Aluminum+Plastic Size: 40mm Package Contents: 2*Motor Cool Fan 2*Accessory Packs 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.