This stair stepper mimics rock climbing motion for a low-impact, full-body workout targeting multiple muscle groups. It features a scientifically optimized stride to protect knees while maximizing muscle engagement. With 3 adjustable resistance levels and adjustable pedals and handles, it suits various heights and fitness levels. The built-in LCD monitor tracks time, steps, and calories. Foldable and space-saving for easy storage. Supports up to 330 lbs (150 kg) with non-slip pedals and secure handlebars for safety.