Feature: 1. Small size, light weight, available in three colors, easy to install and disassemble. 2. It has a perfect heat dissipation effect, which can effectively prevent the motor from overheating. 3. Cooling fan is made of aluminum and plastic, with good heat dissipation, fast cooling speed and easy to carry. 4. JST connector is convenient, fast, easy to install and use, and the wiring has positive and negative poles, and the wrong connection will not work. 5. The product is cost‑effective and has a wide range of applications. It can be used for 1/10, 1/8, 1/12 RC car electromodulated fast heat dissipation. Specification: Item Type: Motor Cooling Fan Material: Aluminum + Plastic Input Voltage: 5-8.5V Output Current: 0.7A Plug Type: JST Connector Maximum Speed: 21000 RPM Weight: Approx.22g/0.8oz Cable Length: Approx. 180mm/7.1in Product Size: Approx. 35x35x10mm/1.4x1.4x0.4in Suitable for 1/10, 1/12, 1/8 RC Car Sensored Brushless Motor . Package List: 1 x 35mm Motor Cooling Fan Note: 1. Due to manual measurement, please allow an error of 1‑3mm, thank you 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. The wiring has the level of positive and negative poles, wrong connection will not work.