12 levels of adjustable resistance. Comfortable, smooth running seat. Pivoting foot plates for added comfort. Adjustable foot straps. Monitor displays: time, total count, calories burned, and more. Dimensions: 53L x 20W x 22H inches. The Sunny Health & Fitness Rowing Machine offers low-impact exercise and a great full body workout. Equipped with a comfortable, smooth running seat and pivoting foot plates with adjustable foot straps for added comfort this stepper features 12 levels of easily adjustable resistance.