Hobby Fans RC Motor Heat Sink With 5V Cooling Fan Fit 540 550 3650 F540 3660 3670 Size Brushless Motor Engine Motor Heatsink For 1/10 RC Car Truck Buggy Crawler

Easy to Install —— Small size and lightweight, convenient for you to install and remove.
Prevent Motor From Overheating —— Excellent heat dissipation effect to protect the motor and extend motor’s service life.
Exquisite Workmanship—— With high quality material and exquisite workmanship, this cooling fan is durable for long term use.
Wide Compatiblity —— This motor heatsink is designed for RC model car 1/8, 1/10, 1/12 540 550 brushed motor and F540 3650 3660 3670 3674 brushless motor.
Easily Power Up —— The cooling fan can power up from the receiver, very easy to use.