Violent fan, violent do hair dryer, fast brushless motor bypass fan, mini turbocharger 1300000 RPM power mini jet Air turbodeck dust collector Color: Black, Grey Material: Plastic Size: 143.93.39mm Net weight: 320 grams Battery Capacity: 4000mAh Charging time:andgt;2,5h Motor: brushless DC motor Motor speed: 13000 revolutions, measured wind speed: 56m/s, power: 180W (High Efficient and Low Heat Generation)This mini jet fan is equipped with a custom-made low-voltage brushless high-speed motor with a diameter of 32mm, which provides high efficiency, low heat generation, and generates extremely strong wind power with low power consumption. (Heat-Resistant Material)Our mini jet blower is made of high hardness and high temperature resistant materials, which has good texture and high power. It has over-temperature protection, which will automatically cut off the power when it exceeds 150 degrees to protect the machine.