1This electrical screwdriver is made from quality ABS and alloy material, which is sturdy and durable. 2The electric screw driver is safe and realiable, also it's easy and convenient when working, providing better use experience. 3The central axis adopts the new technology of cold extrusion process, the inner wall is smooth, with high consistency and high concentricity. 4Builtin cooling fan with DC motor, providing fast heat dissipation. It has stable torsion and long service life. 5Alloy gear case structure design, which is wearresistant, an ideal tool for assembly and disassembly of various home appliances, toys, automobiles, electronics, etc.. Item Type: Electrical Screwdriver Material: ABS + Alloy Model: L104101 Power Adapter: National Standard 220 VAC Uses: Power Tools Basic Parameters: Model L104101 Input Voltage 36VDC Rated Power 36W Kgf.cm 0.51-15.3 Torsion Lbf.in 0.44-13.28 N.m 0.05-1.5 Torsion Accuracy (%) 5% Torsion Adjustment Stepless Idle Speed n0: (R/min) 10% 1100r/min Applicable ScrewsMechanical Teeth Diameter (mm) Self-tacking Teeth 1.6-4.0 1.6-3.0 Applicable Electric Screwdriver Controller H P-36P Applicable Screwdriver Bit M6 (5mm) 1 xElectrical Screwdriver 1 x Power Adapter 2 x Screwdrivers Blades 1 x User Manual