This electric torque wrench is a kind of hand-held rotating electric tool with
reaction arm, which can set the torque accurately, and is used to complete the
tightening / dismantling of nuts or bolts automatically. The driving part adopts
high-efficiency motor, strong output, stable and reliable; adopts mainstream
high-speed MCU chip control, intelligent and perfect alarm and protection
system, OLED highlight color screen display, friendly and detailed work page,
so that automatic fastening can be mastered.