The DeWALT DCF809N is an 18V XR cordless impact drill driver designed for demanding tasks, delivering up to 190 Nm of torque with a brushless motor for increased durability and efficiency. It features a precision drive mode for delicate screw driving to prevent damage to screw heads or materials, as well as a 6.35 mm hex chuck for quick, one-handed bit changes. Weighing 0.94 kg and measuring 131 mm in length and 225 mm in height, this tool is lightweight and compact for comfortable long-term use. It operates at no-load speeds of 0-2800 RPM and 0-3200 RPM, with a hammering frequency of 0-3600 blows per minute, and includes LED lighting for optimal workpiece illumination. Compatible with all DeWALT XR 18V battery platforms, it requires a separate battery and charger and is suitable for professional and DIY applications in construction and maintenance.