important tip: in case of rusty or seized screws, especially on wheels that have not been disassembled for a long time or in wet environment, apply a seizure remover (bolt remover) to the joint. wait 10 to 15 minutes for it to penetrate and act before attempting to loosen powerful brushless motor: our impact wrench uses advanced brushless motor technology, delivering torque up to 700n*m (about 516ft-lb) to effortlessly tackle rusty or stubborn bolts. ideal for automotive repairs and agricultural machinery maintenance, high power, low noise and 60% longer service life than brush motors 2-in-1 two-speed control: this impact bolter offers two precisely calibrated speed settings (0-1600/0-3200 rpm), ensuring optimal power for various tasks. it also acts as a cordless drill driver. the slow speed is ideal for screwing, while the fast speed is perfect for loosening nuts, making it the ideal tool for auto mechanics, scaffolding installation and other similar applications ring led lighting: it is equipped with a unique ring-shaped led light strip that provides uniform and soft illumination to fully illuminate confined and dark spaces and improve visibility. this impact wrench also incorporates forward/reverse modes and automatic braking function, ensuring smoother operation and easier control 2 batteries and fast charger: comes standard with two 3.0ah high-capacity lithium batteries, it offers about 2 hours of continuous operation per charge. combined with the quick charger, the vrykktool wireless impact wrench quickly performs tasks such as changing tires, landscaping the garden or assembling furniture, saving time and improving efficiency ergonomic design, comfortable and durable: the body is made of high-strength abs and non-slip rubber, providing excellent sturdiness and excellent impact resistance. weighing only 1.7kg, batteries included, its soft handle ensures a comfortable grip, minimizing fatigue even with prolonged use complete accessory kit, ready to use: the kit includes: an impact wrench, 2 batteries, 1 quick charger, 5 sockets (14, 16, 17, 18, 22 mm), 1 extension cord, a multilingual instruction manual and a custom storage case. if you have any questions, we will provide you with full support within 12 hours