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, press the pressure to adjust the speed and wind force, New key unlocking , plug in to unlock, unplug to power off the whole machine. Two modes of charging: Type-c charging + DC fast charging, charging time is about 1 hour, charging power is 90w, Battery life is about 15 minutes at maximum wind speed when fully . Weight:1235g Voltage:16.8v Current:50a Red represents 0-20% battery capacity Yellow represents 20-80% battery capacity Green represents 80-100% power The AC charger displays a red light during charging and a green light when fully . AC charger full time about 4h About 6h with USB fast charging USB slow flush about 8h Full battery life is determined based on actual usage. The maximum power running time is about 15 minutes. Note: Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. The color of the motor inside the fan is random and cannot be specified. Plug Type:US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. Voltage:AC110V Colour:Black Material:plastic Size:28x10x9.5cm Package Contents: 1 * fan 1 * power adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.