Features Brushless feature is applicable in a clean-room environment. The output of torque is highly stable. It is not only a easy-operate equipment but also be operated continuously for a long period. One LED on the housing is to remind the operators that the scewdriver is connecting to the power controller. Besides, it is a non-carbon, low noise equipment and low voltage. There are variable torque’s ranges can be selected : 30kgf.cm / 2,000r.p.m, and 50kgf.cm / 1,000r.p.m. The best choice when composing the vertical’s internal parts and/or any large-size electric equipments, including home appliances, LED/LCD panels and etc. Optional accessories spring balancer hoist or pistol grip can be added for easy and safe operation.