Lithium precision screwdriver This precision screwdriver kit is designed for electronics, laptops, cell phones, computers, eyeglasses, smartphones, toys, PCs, watches, game consoles, cameras, radios, and most portable devices. Made of alloy tool steel, it has extraordinary hardness and superior toughness with high-quality. Characteristics Newest design power of screwdriver. Aluminum alloy housing body with slim pen shape design, compact size and portable. Li-on battery guide can work 0.5-1 hours continuously. Automatic and manual operation design with maximum 0.8-2N/m torque, ensures hight working efficiency. Carefully choose 56 pieces alloy steel screwdriver tool bits compatible with most electronic devices, meet your different needs. Suitable for your daily repairing projects, such as smartphone, camera, RC drone, laptop. Details  Material: Tool Steel Alloy Color: Grey Voltage: 3.7V Power source: 2 * AAA batteries (not included) Torque: 0.8-2N/m Speed: 150r/min Item size: 200*95*23mm/7.87*3.74*0.9in Package size: 230*107*35mm/9.05*4.21*1.38in Package weight: 810g/1.78lb Note Due to the different screen display and light effect, the actual color of the item might be slightly different from the color showed on the pictures.