Technical features: 1,The whole machine with non-contact switch, longer life, lower
maintenance rate, three-stage reversing switch, feel better, effectively
prevent the wrong operation. 2,No brush
motor, torque output more stable, suitable for use in dust-free
environment, high stability, simple operation, the screwdriver can be
used for a long time. 3, The use of non-contact switch, do not need to replace consumables, long service life.