Lightweight and compact. Lithium-ion 20 V which holds its charge up to 18 months. Chuck 3/8 inch. 24-position clutch that lets you choose the most appropriate to the task setting and prevents damage to the threads or over-drive the screw head. Soft grip for comfort. Includes: 1 lithium-ion battery, charger and 1 double tip. 2-year limited warranty.