Built to navigate everyday obstacles. Patented Midi-Drive design. Compact dimension for easy indoor use. Infinite adjustment or Stanza power anti-tips for easy step on foot-rest access, increased stability, and obstacle clearance. US made high torque, 4 pole motors for years of trouble-free performance in all situations. State-of-the-art 75 amp. 2 module control. Easy to drive, more efficient, and powerful.