-Efficient 400W motor provides a significant amount of air force for both blowing and vacuuming functions -2 tools in one, quickly convert to a vacuum cleaner for added versatility -6 different speed settings enable working with different blowing air rate in order to adapt to different kinds of applications -Vortex design of fan blades will impressively increase air force -Strong design suitable for applications in the workshop and on the construction site -Light weight design, ABS thermoplastic polymer housing enables convenient use -Ergonomic design and non-slip handle provide convenient handling during operation -Heat dissipation system ensures faster cooling and longer lifetime -Lock button for convenient continuous operation