Multipurpose Power Tool -- [1/2inch Impact Wrench] Loosen/tighten any lug nut, bolt or large screw; [Cordless Screwdriver] Collet accepts 1/4inch driver bit for screwing; [Cordless Drill] Drilling with a 1/4inch hex drill bit; [Multipurpose Impact Driver] Good for home renovation, construction projects, industrial equipment or spare parts maintenance, and motorcycle repair. Powerful Brushless Motor -- High performance brushless motor deliver torque up to 980Nm(8674 in-lbs) for effortlessly loosen/tighten any rusted-on or over tightened lug nut, bolt or large screw; it can also optimizes machine's efficiency, increases 10X motor life and 50% more runtime of per charge when compared to brushed motor. 4.0A Battery & Fast Charger -- With a fast charger, this rechargeable 21V 4.0 Ah lithium-ion battery can be fully charged within only 2-3 hours, large capacity power ensure a long time continouse work. With a smart control panel to monitoring realtime speed and remaining power. Variable Speed & 3 Quick Chuck -- Press trigger in different strength you can very easily control the speed of your wrench from 0-3800 RPM and impact rate from 1-3600 IPM. Except 2-in-1 quick chuck(1/2inch & 1/4inch quick chuck combines the features of electric screwdriver and impact wrench), also include an all metal Key Type 1.5-13mm Capacity Chuck to make the powerful tool into a professional cordless drill.