【Powerful Brushless Motor】The cordless impact wrench delivers 503Ft-lbs/682 N.m loosening and 383Ft-lbs/520 N.m tightening torque; brushless tech means higher efficiency, longer life, cooler & quieter operation with no brush maintenance. fits M12–M20 bolts 【4-Mode Torque Control】 350Nm for car tires & equipment – 420Nm for SUVs, trailers & fence anchors – 520Nm for trucks, steel structures & farm machinery. Plus 682Nm nut-busting to crack loose the toughest seized bolts. From precision tightening to brutal loosening – one wrench, total control. 【Smart Loosen & Precision Seal】Smart Loosen Mode prevents nuts from dropping off accidentally, while Precise Leak-Proof Technology targets critical oil leak spots effectively. Two smart protections working together – so you work faster, cleaner, and safer. 【Compact & Easy to Handle】The cordless impact gun with only 6 inch compact body and 4.4LB kg (with 4.0Ah battery) for better balance in tight/overhead spaces;and LED work light for dark corners 【1/2 Inch Hog Ring】DCA brushless impact gun with 1/2″ hog ring for tool-free, quick socket changes with secure spring-steel retention—ideal for frequent swaps (tire service/repairs), smooth one-hand operation, and wide compatibility with 1/2″ impact socket 【DCA 20V Battery Platform | 2×4.0Ah Included】 One platform runs them all: Drill/ Wrench/ Pruning shear/ Angle grinder/ polisher/ Blower and more on the way. These two batteries power this impact wrench – and every DCA 20V MAX tool you’ll ever own. Buy once. Expand anytime. Build your cordless system today.