Features:
The item is a professional and practical heatsink, which is mainly made of durable aluminum alloy and suitable for 1/10 Car 540 550 3650 Size Motor.

Comes with a 5V cooling fan to well protect your motor. Besides, the cooling fan can power up from the receiver spare port,very easy to use.

Color:Blue
Material: Durable aluminum alloy and hard plastic.
Cooling fan size: about 30*30*10mm.
Suitable for 1/10 Car 540 550 3650 Size Motor.
Come with a 5V cooling fan to protect your motor.
The cooling fan can power up from the receiver, very easy to use.

Package Includes: (as picture shows)
1 x Alloy Heatsink with 5V Cooling Fan for 540 550 3650 Size Motor

Note:There are only 2 screws to fix the cooling fans,that is not missing screws.It can not install 4 screws due to design size of fans.Contact me if there is any problem with.