1. 4 Adjustable Resistance Levels4 Resistance levels perfectly meet different needs and training goals. You can choose from four resistance levels so as to gradually increase training intensity, ideal for beginners and professionals with different heights and strength conditions. 2. Smart LCD Display Folding StructureThe smart LCD display on the handle clearly shows count, time, calories and speed. With LCD monitor, you can easily keep track of your progress and physical condition. Besides, the ab machine is foldable, making it easy to store. 3. Sturdy Heavyduty Iron FrameThe ab machine is crafted with sturdy iron, which is durable for longlasting use. The Solid Iron frame comes with a large weight capacity of 220lbs. Meanwhile, the sturdy material leaves you no worries about using reliability and a steady training experience. 4. Professional Ab MachineTake minutes to reach your target and get a perfect shape with this ab workout machine. Not only for abdominal training, this professional ab machine also helps to build up muscles for your full body. Four flexible wheels smooth and stable training, aiming to take your ab and core muscle to a level.