2. Four speed regulation: Can choice freely to meet your requirements. 3. Bottom with folding hooks: makes it easy to carry and easy to use outside. Features: 1. High quality components: This mini fan adopts super high-quality high-speed bearings, a new CNC metal turbine, a brushless motor, and a hand wound motor 4. Usage: Air cushion blowing and suction, computer equipment cleaning, industrial dust blowing, charcoal burning to support combustion, car blowing and snow blowing, film studio and wind making, drying pets, and many other uses., Manufacturer: Ounfhtrttk