1. It features fine workmanship, beautiful design, stable performance and durability. 2. The ergonomic handle has a non - slip concave - convex texture design, making it comfortable to hold and easy to use, which can help improve work efficiency. 3. It has a wireless design, with a built - in ternary lithium polymer battery and a universal Type - C charging interface, being economical and environmentally friendly. 4. It adopts a four - fold protection design, including over - current protection, voltage protection, over - temperature protection and charge - discharge protection. 5. It offers four - level torque adjustment with a one - key switch. Level 1 is 2.5 Nm, suitable for instrument maintenance; Level 2 is 3 Nm, suitable for model assembly; Level 3 is 3.5 Nm, suitable for furniture assembly; Level 4 is 5 Nm, suitable for pipeline and electrical installation. 6. It uses professional mechanical control. When the set value of the gear is reached, the mechanical clutch separates and slips, which can effectively prevent damage to screws or items caused by over - tightening. 7. It has an adjustable rotation direction design. You can adjust the rotation mode by pressing the forward button and the backward button. 8. It has two working mode designs. You can choose the automatic mode and the manual mode according to your needs. 9. It is equipped with an LED shadowless work light for all - round illumination, which is convenient for night use. 10. Different specifications come with different numbers of screwdriver bits to meet various needs and help handle repair and fixing work. 11. It has a quick - change chuck for easy removal of screwdriver bits. The strong magnetic design makes the replacement fast and convenient. 12. It is suitable for wood and plastic materials, used for tightening or loosening screws. 13. It is widely applicable, suitable for the repair and maintenance of electronic products and precision instruments such as motorcycles, mobile phones and watches.