Useing 50mm brushless motor, at 800-1000g Thrust. Powered by Rechargeable Li-Ion Battery, Compatible with for 18/20V Batteries(Not included). The entire casing is crafted through 3D printing using an exceptionally robust PETG & carbon fiber blend. It easily dry an entire vehicle within one charge cycle. Ergonomic design, comfortable to hold type speed regulation, use as desired Motor: High Speed 50mm Brushless Motor Thrust: 800-1000g Product weight: about 309g Duration: 10min to 15min at full power, continuous use. Current regulation: 40A Power: 700W max Notice: 1. Why does it get warm when using it? The Fan features a high-energy, high-RPM motor, which means that prolonged and continuous usage of the product can lead to the generation of excessive heat. We highly recommend using it for shorter periods and avoiding overheating. 2. The shipping list does not include batteries, you need to prepare the batteries for it. Colour:black Material:PETG Package Contents: 1 x Fan Only the above