This ARROWMAX Original SES Mini Electric Screwdriver Set 28 in 1 Cordless Screwdriver is a must-have for any DIY enthusiast or professional. With a maximum torque of 0.2 Nm and a speed of 200 RPM, this electric screwdriver is perfect for all your screwing needs. Its Li-On rechargeable battery ensures long-lasting power, and the set comes with a Type-C charging cable for easy charging. The set includes an electric screwdriver, manual, 28 pcs S2 steel 4mm screw bits, and an aluminum alloy storage box. The screwdriver is gray in color and has a chuck size of 4mm. It is powered by a built-in lithium battery with a capacity of 350mAh and a voltage of 3.7. The charging time for the battery is 50 minutes. This electric screwdriver set is perfect for those who want a reliable and efficient tool for all their screwing needs.