1、Good heat dissipation performance ensures safe and efficient work. 2、With high quality materials and exquisite workmanship, it is durable for long term use. 3、It has perfect heat dissipation effect which can effectively prevent the motor from overheating. 4、Easy and convenient to install and remove. 5、Suitable for 380 / 390 motor of RC model car. Features: 1. Good heat dissipation performance ensures safe and efficient work. 2. With high quality materials and exquisite workmanship, it is durable for long term use. 3. It has perfect heat dissipation effect which can effectively prevent the motor from overheating. 4. Easy and convenient to install and remove. 5. Suitable for 380 / 390 motor of RC model car. Specification: Condition: 100% Brand New Item Type: RC Motor Radiator Material: Aluminum Alloy + Plastic Cooling Fan: DC5V 0.12A Applicable Motor: 380/390 Motor Aluminum Heatsink JST Connector Applicable RC Car: for 1/10 Scale Electric RC Car Size: Approx. 30 * 30 * 45mm / 1.2 * 1.2 * 1.8inch Inner Diameter: Approx. 26mm / 1inch Weight: Approx. 20g Package List: 1 * RC Motor Radiator Note: Please allow slight deviation for the color and measurement. Thanks for your understanding.