Safe and gentle form of low-impact exercise, ideal for leg and arm muscles and for stimulating circulation. Five function display indicates exercise time, revolution count, revolutions per minute (rpm) and calories burned. Scan feature alternately displays all measurements automatically. Four anti-slip rubber pads prevent sliding and protect surfaces. Resistance easily adjusted with tension screw. Attractive blue finish. Button cell battery included. Completely assembled. Easily folds for compact storage and transport. Limited Lifetime Warranty.