From the manufacturer

DEWALT manufactures high-quality power tools and hand tools, which are engineered maximum efficiency. This air blower is engineered with dual suction and blower function for exceptional cleaning performance. It has an efficient variable speed control and long blower nozzle for efficient cleaning action.

   Variable Speed Blower

This air blower is engineered for generating powerful gust of air. It offers an easier solution to maintain tidy jobsites, lawns, gardens, etc. It can instantly clear away dust and small particles without any inconvenience.

    Ideal for Indoor and Outdoor Usage

This high suction blower can be used for both indoor and outdoor applications. It is perfect to blow away accumulated dust from walls, windows and shelves. You can also put it to good use in blowing away leaves from your backyard, and to blow away dust from your vehicles.