The SmartDrive is a revolutionary new power assist device that will change your life. It can power you up steep hills and through thick carpet. It is intuitive to use, just push to go and tap then brake to stop, it's that simple. It will go for miles on a single charge. Turn on and get out there!
The SmartDrive is surprisingly powerful. You can cruise up the steepest ramps and sidewalks. Even a thick padded hotel carpet is no problem. The SmartDrive has an anti-rollback feature that allows you to stop on a hill and then easily get going again
More information: http://www.max-mobility.com/smartdrive/#mx2