I've used this for several years, but I'm no longer using it, so I'm putting it up for sale. [Professional Stepper Developed by Xiser, USA] The top-of-the-line model from Exer. This is a professional-grade stepper developed for strengthening Olympic athletes. Various effects can be expected, such as building muscle, burning fat, increasing metabolism, improving posture, strengthening the immune system, and stopping signs of aging like osteoporosis. It's very convenient and efficient because you can easily relieve lack of exercise and perform full-fledged strength training at home. It's the only stepper that can be used for high-intensity interval training (HIIT). [Silicone Hydraulic System That's Gentle on Knees and Ankles] Silent design with a silicone hydraulic system. The smooth-moving silicone hydraulic system is gentle on your knees and ankles. The operating noise is also relatively quiet, so you don't have to worry about disturbing your surroundings. [Adjustable Intensity to Match Your Physical Strength and Leg Strength] You can adjust the pedal load to match your physical strength and leg strength. You can use it at your own pace every day without any restrictions on continuous use time. Stepper Body Size: 53.34 x 35.56 x 10.16 cm Weight: 6.12 kg Weight Capacity: 181.5 kg