This Spear and Jackson 24v cordless lawnmower and grass trimmer set includes two batteries and a 1-hour fast charger, allowing charging of one battery while using the other. The brushless motor and lithium cells provide ultimate power and runtime. A built-in rear roller helps achieve a precise, professional striped finish on your lawn. With a 35L grass collection hybrid bag, the collection bag has a grass full indicator. Easy cut height adjustment allows you to quickly change the cutting height to suit your lawn with the central cut height adjustment. There are 5 cut heights on this mower, with a cut height range from 2.2cm-6cm.