Lightweight and compact trimmer for hair, beard and mustache trimming with Li-Polymer battery. Stainless steel knife 40 mm wide '' T '' shaped that removes 0.5 mm. The package contains 4 attachments: 3-6-10-13 mm, a knife lubricating oil and a knife cleaning brush. Knife speed of 5500-6000 rpm. A hairdryer can be used: with cable or wireless.