Dewalt 60V FlexVolt dual blade 21" Rear Wheel Drive mower. Runs off a single FlexVolt battery. 21" High-Efficiency Deckwith Direct Drive Brushless Autosensing Motor Improved runtime, better cut quality and reduced stalling, load meter anduser interface allowing real time feedback,At the touch of one button, telescope & fold handles into storage mode, Vertical Storage Takes up 82% less space in vertical storage vs in operation Mulching, Bagging or Rear Discharge