3. Multiple protections: machine over-discharge protection, machine short-circuit protection, battery reverse connection protection. You can use it with confidence 1. High-quality components: This mini fan uses ultra-high-quality high-speed bearings, a new CNC metal turbine, a brushless motor, and a hand-wound motor 2. Maximum thrust 600g: Supports continuous speed adjustment, which can be freely to meet your needs, and the thrust can reach up to 600g 4. Uses: air cushion blowing and suction, computer equipment cleaning, industrial dust removal, coal combustion, car blowing and snow removal, film and television studio wind effect production, pet drying and many other uses, Weight: 1.28639729877 pounds, Manufacturer: Wesafrae