1100 watt (PowerDriver) motor. For aerating and removing rooted thatch and moss. 4 working heights, from +5mm to -10mm. (Jet-Collect) system for efficient lift and collection of surface debris. Fold-down handles for compact storage. Foldable handles and a stackable grass box for compact storage. 14 slitting knives for deeper root removal. Weight 9.9kg. Manufacturer's 2 parts and labour guarantee.