Easily switch from screwing to unscrewing with the forward/reverse button. The ergonomically designed handle is compact and at only 140g, making it easy to carry and operate Rechargeable, please connect the charging cable to the computer to charge, long battery life. Equipped with 8 bits, can easy and quick to change the bits. Comfortable handle design and neatly arranged operation buttons can reduce user fatigue, improve working comfort and efficiency, save your time!, Manufacturer: Akfldms