This is a Dija Fitness manual curved treadmill, model Dija 801.
Self-Powered: This motorless treadmill operates entirely on your own energy, requiring no electricity to run.Curved
Design: The curved belt encourages a more natural running form and can help increase calorie burn compared to flat treadmills.
Weight Capacity: Similar models are built to handle high user weights, often up to 180kg or more.