Burn calories from your favorite chair. Folding digital pedal exerciser helps you reach your goals by displaying calories burned, total cycles, RPM and time elapsed. Removable digital display also can be handheld for easier viewing. Perfect for working your lower body while seated, or place portable pedal exerciser on countertop or other surface to work your arms and upper body. Easyadjust tension for all fitness levels.Heavyduty frame with nonslip pedals.Fitness equipment folds for easy storage.16"W x 17 1/2"D x 11"H when open; 16"W x 11"D x 7"H folded. Pedals are 4"W x 1 1/2"D and 13" from floor at highest point. Exercise cycle display requires 1 AAA battery (included).Metal and plastic.