ADJUSTABLE MAGNETIC RESISTANCE: With a simple twist, you can increase or decrease the 8 levels of magnetic resistance, so your workout can remain challenging and effective throughout your fitness journey EXTRA LONG SLIDE RAIL: At 48 inches in slide rail length, and 44 inches in inseam length, the SF-RW5515 can accommodate rowers nearly any size. DIGITAL MONITOR: The large LCD console displays time, count, calories, total count, and scan. The convenient scan mode displays your progress to assist you in tracking all your fitness goals. TRANSPORTATION WHEELS: Built-in transportation wheels for easy portability. Simply tilt and roll out for use or away for storage, no need for heavy lifting or muscle strain. NON-SLIP FOOT PEDALS: Textured non-slip foot pedals will ensure safe footing during the most demanding and vigorous workouts. Foot straps keep your feet saddled with so you can focus on the workout without feeling unbalanced.