The 40V brushless trimmer from DeWalt is the trimmer that you need to help you tackle all of your jobs. Weighing just 13 lbs. this trimmer will allow you to work longer without fatigue, plus the padded auxiliary handle provides a comfortable grip for easy operation. A full variable trigger allows you to easily control the power and the speed control allows you to adjust speed and runtime. The 4 Ah premium high capacity battery in combination with the brushless motor maximize the run time and motor life. The bump feed head makes letting out more trimmer line extreme easy, so you don’t have to stop trimming. The DeWalt DCST9900M1 trimmer is the perfect balance of durable, comfortable and efficient.