Powered by an efficient brushless motor, the Senco 18V Lithium-Ion Brushless Cordless 2" Auto-Feed Screwdriver Kit 3.0 Ah (10A0001N) features a quick release feed system with patented corner fit technology. The DS225-18V also features feed on return - the next screw is aligned with the bit for better line-of-sight and easier, more accurate screw placement. Perfect for drywall, sheathing, cement board, underlayment and sub-flooring. Includes two extended life 3.0 Ah batteries.