Features: The XL jet fan is a force of nature with unique strength against debris and dust, making it a powerful cleanings tool for daily maintenance tasks. Equipped with a powerful motor and adjust speed, this fan reaches up to 60000RPM to deliver a strong wind for effective cleanings. Suitable for individuals in need of efficient and reliable cleanings tool, the Jet Fan provides practicality in tackling various cleanings chores with ease. With 8000mAh battery, the Jet Fan utilizes fast speed motor Continuous use of this product for long periods of time may result in overheating It is strongly recommends to use it for short periods of time avoid overheating. Specifications: Gear: Stepless Speed Regulation Speed: 60000RPM Airflow: 1000g (blowing scale test) Endurance: about 15minutes Battery: 8000mAh (8batteries 21700 battery) More than150° have overheating protections Voltage: 16.8V, 80Ah Host weight: about 910g Length about 27.6cm/10.87in Material： Plastic Package Includes: 1PC Jet Fan note: Due to the problem of lighting effectsand shooting, there mightbe certain tolerances in product, please understand. Please allow 0-1cm error due to the manualed measurment.