This motor heat sink with cooling fan is made from high quality aluminium and plastic、 which is designed for 1/10 RC racing car with 36mm diameter motor. It is practical and durable for protecting the motor from overheating. The wire meshes on the cooling fan can protect the fan from external intrusions.<br> <br> Features:<br> Made from high quality aluminium and plastic<br> For 1/10 RC racing car、 36mm diameter motor<br> Easy to install<br> <br> Specifications:<br> Operating voltage: DC 5V 0.15A<br> Material: aluminium<br> Suit for 1/10 HSP RC Car 540/550 3650 Motor<br> Color: blue、 purple、 golden、 black and silver optional<br> Inside diameter: 35mm<br> Weight: 49g / 1.7oz<br> <br> Package Information:<br> Package size: 4.6 * 4.6 * 4.2cm / 1.8 * 1.8 * 1.7in<br> Package weight: 52g / 1.8oz<br> Adhesive tape package<br> <br> Package List:<br> 1 * Motor Heat Sink With Cooling Fan<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>