Features: Powerful Air Movement Design The efficient brushless motor generates a strong air stream up to 45m/s, effectively removing stubborn dust and debris. Customizable Speed Settings With 4 adjustable speed levels, it handles everything from fine dust to larger particles with ease. Enhanced Internal Structure The improved engineering boosts air pressure for superior cleaning results. Suitable for thorough cleaning needs, such as pet owners and hobbyists, delivering excellent outcomes. Portable and Easy to Transport Made with sturdy ABS+dual coating, it’s compact and convenient to carry. Efficient Power Usage The brushless motor ensures stable action with lower energy consumption. Ideal for conscious users searching powerful cleaning while saving energy.. Specifications: Product substance: ABS + double coal shot Product size: 13.4x5.9x3.7 Bare metal weight: 223g ± evaluated input: 7.4V-8.4v greatest power: 150W Working potential: 7.4V-8.4V High temperature security: 75℃ High potential security: 9V greatest speed: 120000RPM Battery capacity: 5200mAh/18650/5c greatest wind speeds: 45m/s greatest wind pressure: 180g Charging time: 2.5-3.5 hours "Duration of use: First gear: 50 minutes/40,000 whirls Second gear: 30 minutes/60,000 whirls Third gear: 20 minutes/80,000 whirls Violent gear: 13 minutes/120,000 whirls" Package Includes: Host×1 Charger×1 Air nozzle × 3 (large, intermediate, small note: Pay attention to aspects such as equipment installation, power supply, maintenance and usage temperature.