X64 upgraded version, stepless speed regulation, 11-blade fan group, 64MM precision high-speed duct, violent turbo fan. New appearance design: reasonable structure, powerful performance. This product uses a high-speed 64mm brushless motor 11-blade fan group, which has good dust removal effect and the thrust can reach 1400 grams. Suitable for: snow cleaning, air cushion inflation, rapid cooling, dust removal, yard cleaning, industrial dust removal, keyboard cleaning, car and motorcycle cleaning, car cleaning water collection, car crack cleaning, floor mat chip cleaning, etc. Domestic, commercial and outdoor use machine. This machine uses a brushless ducted power pack dedicated to 64mm model aircraft and a high-performance 8000 mAh large-capacity battery, 8 21700 batteries With a distance of 10 cm, the weight can reach 1400g. Intelligent temperature control system, stepless speed adjustment, new operation button, the pressure to adjust the speed and wind force, New key unlocking method,