Pro'sKit UPT-32007D Portable Electric Screwdriver (Torque 0.2-0.7N.m) 110V-240V Screw Gun Power Tools Parafusadeira With 2pcs Electric Screwdriver Head Equipped with torque setting to achieve automatic shutdown, which can effectively protect the screwdriver and improve the efficiency of work to ensure the workpiece without damage. (2-7kg.cm torque adjustment) With variable frequency speed power supply(900-1300 adjustable), reliable and stable, energy saving and environmental protection. Suitable for electronic repair, instrumentation, power tools and other industries, as well as for mobile phones, laptops, LCD monitors and other 3C products fast loading and unloading screws. Adopted imported motor, high-quality switch in internal, low operating noise. Full plastic handle, ergonomic design, easy to use.