Equipped with a potent motor and a range of 3v adjustable torque settings, the S1 Pro delivers precise and reliable performance for various applications around the household for everyday use – not just DIY projects. With 16 bits of 5 categories, the powerful electric screwdriver can prepare you for a variety of repair work. Built with a 2000mAh chargeable long-lasting battery, certified to operate 340 screws (3.5*20 mm) for a full charge. Comes with a magnetic aluminum alloy case that keeps the electric screwdriver and 16 metal bits orderly in a place.