The 40V max XGT Cordless 9-1/4 in Fan (CF001GZ) is a powerful and portable solution for painters, contractors, and more. It has three settings for optimal air velocity control. Users can get up to 19 hours of continuous run time on low setting and 11 hours on high setting with a 40V max XGT 4.0Ah Battery (sold separately). A 3-stage automatic timer provides 1, 2, or 4-hour power-off selection. The fan automatically oscillates 45 Degrees right and left and manually tilts 90 Degrees up and 45 Degrees down for convenient redirection of airflow. For added durability in harsh job site conditions, Extreme Protection Technology (XPT) is engineered for improved dust and water resistance. The power head also features IPX4-rated weather-resistant construction for added durability.