3-speed variable speed switch provides control while in use Variable speed trigger of the cordless blower allows adjustment of blowing power in use A lightweight and compact design for ease of use. Trigger lock-on of the battery leaf blower reduces end user fatigue Air Speed is 135 mph. Lightweight compact design allows use in space restricted areas Whether you need to clean your garden, workshop, or garage, this Blower is an choice. Its powerful performance and versatile functions make it suitable for a variety of tasks, including blowing away dust from electronics, drying wet surfaces, and clearing debris from hard-to-reach areas. Upgrade your cleaning with this reliable and efficient Blower