Brand: AAL Power Source: Corded Voltage: 1 Maximum Chuck Size: 6.35 mm Color: Black Included Components: Drill Attachment [Latest Enhanced Electric Screwdriver - Manual Use Also] This electric screwdriver uses a full copper motor, providing strong power and a long lifespan. You can freely switch between forward and reverse rotation with a single finger. The maximum torque is 3 N·m electrically and 10 N·m manually. It's perfect not only for professional use but also for everyday use at home. The non-slip ball grip is easy to hold during use, prevents slipping, and provides good tightening performance. It weighs only 156g, making it easy to handle and less tiring even after prolonged use. Easy to use for women and the elderly.