Syedee LE03's basic use function reaches 4. Two kinds of leg extension - seating leg extension and single leg extension. Two kinds of leg curl - standing single leg curl and lying leg curl. Featuring a split leg pad design, this machine allows you to perform a variety of exercises including leg curls and extensions, as well as single-leg variations for targeted muscle development. The adjustable and foldable backrest adds another dimension to your workout, enabling you to comfortably lie down and execute reverse leg curls and extensions.TIPS:The product is shipped in 4 separate packages ,which may result in separate batch deliveries. Due to platform limitations, only one tracking number can be displayed for this order. Please contact us if you need the individual tracking numbers.