Features: Enhances your device's performances with this 30x10mm general metal cooling fan, featuring high speed for rapid heat dissipation in motors and ESCs. Crafted with strong aluminum alloy and a noise optimized design, this heatsink fan maintains quiet operate under 25dB while fitting most drones and robotics. Ideal for hobbyists and electronics enthusiasts seeking stable thermal management solution for quadcopters, robot , and large power motor applications. Perfect for maintaining optimal temperatures during extended FPV flight, competitive robot battles, or intensive printing event requiring stable motor operate . Engineered with accuracy balanced airflows channels and erosion resistant metal housing, this plug and play fan delivers industrial grade cooling without bulk or complex setup. Specifications: Component : metal, plastic Size: about 10x30x30mm/0.39x1.18x1.18inch Package Includes: 1xCooling Fan note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.