WHOLE BODY WORKOUT TRAINERThis machine uses a compound movement system that exercises all your muscles at the same time. It combines four kinds of strength exercises (leg press, squats, back and abs) with cardiovascular aerobic exercise, which makes it a complete, effective training system for burning calories and toning your body. 12 LEVELS OF POWERFUL RESISTANCEThis squat Trainer is equipped with 12 levels Adjustable Resistance hydraulic cylinders.Manually adjust the tension with a control knob, you can easily customize your workout to fit your needs.