The DEWALT DCE512 20V Jobsite Fan is a versatile and powerful cordless lithium ion fan designed for both indoor and outdoor use. With an adjustable tilt and head feature, this fan can provide targeted airflow in any room. The round shape, 9-inch diameter, and 7 blades ensure optimal air circulation. The durable plastic and metal construction, along with the yellow and black color scheme, make it a sturdy and reliable tool for improving indoor air quality. Powered by a 20V battery, this fan is convenient for use on any job site or home improvement project.