H??ng d?n, h? tr? cài ??t h? ?i?u hành và các ph?n m?m ?ng d?ng c? b?nThen just press a button and it transforms into An electrical screwdriver. The Apex Drill pivots over a hinge. In seconds, you are able to rework it from a power drill to a precision electrical screwdriver.Outfitted with 17 unique lights modes, 360-diploma head rotation, plus