Built-in LED light ring for improved surface visibility and easier detection of irregularities, Built-in light and ETSC 2 off-centre grinding motion for a virtually flawless surface,|Acceleration centre grinder offers maximum freedom of movement for grinding work, without the need for a distracting power cord, Powerful 4.0 Ah:The low height of the grinder gives you a direct grip on the tool - for comfortable grinding on flat surfaces or above your head, for example,