This DEWALT oscillating tool is a versatile and powerful addition to any DIY toolkit. With an 18V power source and brushless motor, it delivers maximum performance and longevity. The tool is perfect for a variety of tasks, including cutting and sanding. The DEWALT DCS355 comes with a 4.0 AH battery, but please note that this listing includes only the tool and battery without a charger. The tool is easy to use and accessories are easily interchangeable, making it a great choice for both home improvement enthusiasts and professional tradespeople.