Surpass Hobby 50mm Motor Cooling Fan 10000RPM Motor Heatsink Preventing Heat ESC Fan for 1/5th Scale RC Car Brushless Motor ESC (Black Silver） Features: 1.Small size and lightweight, convenient for you to install and remove. 2.The speed can reach up to 10000 RPM, excellent heat dissipation effect to protect the motor. 3.This motor cooling fan adopts JST connector, easy to install and use, and the wiring has positive and negative poles, and the wrong connection will not work, safe and secure 4.Suitable for 1/5th Scale RC Car Brushless Motor and ESC Specification: Item Type: RC Cooling Fan Material: Aluminum + Plastic Color: Black Silver Input Voltage: 5-8.4V Output Current: 0.7A Plug Type: for JST Connector Maximum Speed: 10000 RPM Weight: Approx.43g/1.5oz Cable Length: Approx. 280mm/11.0in Product Size: Approx. 50x50x15mm/2.0x2.0x0.6in Package List: 1 x 50mm RC Cooling Fan Note: 1.The plug is reverse polarity protected, and you don' worry the wrong connection will damage the rc fan. 2.Please allow slight deviation for the color and measurement. Thanks for your understanding.