Features: -Built-in 3 LED work lights illuminate the work environment and allow you to work in the dark. -Built-in 350mAh rechargeable battery, can drive 300 screws after fully charged. -With forward and reverse switches, one-button start, easy to operate. -Equipped with 24 alloy steel bits, it is widely used, high hardness, strong and durable. -Widely used in repairing smart phones, aircraft models, remote control drones, laptops, watches, toys and other electronic devices. Specification: Color: gray Material: alloy steel+aluminum Length:196mm Battery: 350mAh/3.7V Idling speed: 200r/min Torque: 0.35 N.m .