Feature 

. High Torque & Brushless Motor: 590ft·lb (800NM) powerful torque meets industrial-level work requirements. High-quality brushless motors provide a guarantee for high performance. The life of brushless motors is 1.5 times longer than carbon brush motors! It only takes a few seconds to loosen or tighten the car tire screws with it.
. 4.0Ah Fast-Charging Battery: 4.0Ah battery=2*2.0Ah battery. Provides you with double the battery life. The battery has a convenient power display LED indicator. You can always know when you need to charge the device.
. 3-Speed Mode: The 1/2" impact wrench features a bottom switch, supports 3 speeds from 0-2400RPM adjustment to meet different working demands, improve efficiency and save battery power.
. Two Directions and Reverse Auto-Stop Mode: This cordless impact wrench 1/2" with forward and reverse mode. In reverse mode, once the nut or bolt is loosened, the brake stop device will activate and reduce speed and torque to prevent the nut from falling off and protecting the bolt thread.
. Convenient and Comfortable: Electric impact wrench has a built-in LED work light, it will keep about 20S after releasing the trigger, helping you work in extremely dark or narrow environments without light. Lightweight tools designed to fit the users' needs, Soft grip handle for added comfort and total control without heavy fatigue while using. 1/2" impact wrench is more motivated in tough work.
. Additional accessories: 2pcs Li-Ion Batteries, 1pc Charging Adapter.