Enjoy optimal comfort while trimming your lawn with the Black & Decker STC1840-QW. You get an easy-to-adjust handle for extra grip and a telescopic tube, which you can set to your perfect working height between 109 and 141 centimeters. Thanks to the 18-volt 4.0Ah Li-ion battery, you have a good battery at your disposal and wave extension cords goodbye. The automatically implemented trim wire trims your grass with a 30-centimeter width. The edge guide wheel ensures a neatly finished lawn edge. The STC1840-QW offers the choice between maximum working time or maximum power. This way, you get the most out of this string trimmer for your job.