Product features High performance self-developed and manufactured brushless motor, with super life and durability, motor does not need maintenance. Small size, light weight, low noise, streamlined design, high stability, simple operation. · the world\'s first brushless electric driver with the smallest volume and lightest weight. The first two switch modes are forward / reverse, which makes it convenient for users to loosen screws instantly without switching the forward / reverse switch, thus saving working time. Most suitable for the production of high-precision products, such as watches, high-precision hard disk and micro mobile phones And so on. The Z-type mode can lock the position where the corner is difficult to lock.