FUNCTIONALITY: - Compact and powerful 116mmm long, light and easy to use, 200N.m+, 3800RPM. 3800RPM powerful high-speed and smooth screwing - Intelligent safety 4+4 intelligent safety mode is simple and efficient - Long-lasting life Low energy consumption and high conversion. 15C battery cell + HDC heat management system 15% increase in battery life - Worry-free quality Large computing power chip + 12 intelligent security management method De quality control strictly control the quality, quality can be relied upon.