Product Features Strong power: Usually adopting high-performance brushless motors, the speed can reach 90,000 - 130,000 rpm/min, which can generate strong wind power and can be used in various scenarios, such as assisting in outdoor fires, blowing away leaves, and clearing snow or water. Adjustable wind speed: Some of the fans are equipped with multiple wind speeds, such as 4 speeds or 100 speeds, which can be adjusted according to different needs, and can be used in a variety of scenarios ranging from daily cooling to powerful wind blowing. Good adaptability: Specially designed to adapt to DeWalt 18V batteries, with strong compatibility with the brand's batteries, easy to install and remove, users can directly use the existing DeWalt batteries to power the fan, without the need to purchase additional special batteries. Appearance and Design Portable and Lightweight: Compact and lightweight, the fan is easy to carry in a backpack or toolkit, whether you're camping, at work, or on your daily travels.Ergonomic design: The handheld portion of the fan is usually ergonomically designed to be comfortable to hold and not overly fatiguing for long periods of time. Some fans may also come with lanyards or other devices that make it easy to carry and hang.