Useing 64mm brushless motor, at 1800g Thrust. Powered by Rechargeable Li-Ion Battery, Compatible with for 18/21V Batteries 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: 1800g Product weight: about 340g Size: 230 x 86 x 80mm Duration: 15min to 20min at full power, continuous use. Current regulation: 60A Power: 1100W 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 product can lead to 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 batteries for it. 3. The product has overtemperature protection function, if fuselage overheating automatically reduce speed. 4. thrust depends on discharge capacity of battery, and battery life depends on capacity of battery. Power Supply: Compatible with for batteries 18/21V(Not included batteries) Color: Black Material: PETG+Carbon Fiber Package Contents: 1 * Fan 1 * English instruction manual Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.