【Maximum Torque Performance】Provides up to 698 N.m(515ft-lbs) of tightening torque and up to 910 N.m(670ft-lbs) of loosening torque, handling heavy-duty tasks 30% faster than standard impact wrenches. 【4-Speed Adjustable Control】Features 4 precise torque settings (359, 400, 498, 698 N.m) and a variable speed trigger, offering 20% more flexibility for a wide range of applications, from small bolts to tough automotive repairs. 【Enhanced Brushless Motor】The all-copper brushless motor delivers 30% more stable power and extends runtime by up to 50%, making it ideal for prolonged use without overheating. 【Rapid Directional Change】Switch between forward and reverse modes in just 0.5 seconds with a single button, boosting efficiency by up to 25% and minimizing downtime. 【Integrated Led Illumination】Benefit from enhanced visibility in dark environments with the built-in LED light, utilizing a diffusion principle to effectively illuminate your workspace. 【Multi-Application Compatibility】Compatible with over 90% of clamping, dismounting, and automotive repair tasks, providing unmatched versatility and reliability in a variety of demanding environments. 【Comprehensive Package Inclusion】4.0Ah battery, extension bar, fast charger, 5-piece impact sockets (17/19/21/22/24mm), 2-piece cylindrical pin, 2-piece O-ring, and a heavy-duty box for convenient storage and transport., Weight: 4.188782978 Pounds, Manufacturer: Dong Cheng