Resistance Upgrade:Adds 3 heavy-duty gravity springs to the original resistance system—no more hollow-feeling traditional climbers. Three levels (light/medium/heavy) switch easily to match both beginners and advanced Resistance Upgrade:Adds 3 heavy-duty gravity springs to the original resistance system—no more hollow-feeling traditional climbers. Three levels (light/medium/heavy) switch easily to match both beginners and advanced sculpting needs.2-Level Adjustable Incline, Mimics real-world terrain for an authentic climb. Choose a gentle slope for steady cardio or a steep incline to fire up glutes and thighs. Feature Upgrade:Wider & Longer Foot Pedals,Each step feels as solid as if treading on real stairs, putting a definitive end to the sense of hovering and the risk of misstepping.3-Level Adjustable Pedal Angle,Easily adjust the tilt to fit your natural stride. Helps reduce knee joint stress ,Stepless Handlebar Adjustment,Height can be set anywhere—no preset limits. Perfect for users of all heights and fitness levels, making it a truly versatile machine for the whole family. Home Use Quiet Stair Climber: Indoor noise under 25dB. Perfect for apartments—won’t wake the kids or bother the neighbors. Built with heavy-duty stainless steel, plus an extended base and triangular frame for superior stability. Supports up to 350 lbs. Space-saving and easy assembly: The product comes 80% pre-assembled for your convenience. All tools and instructions are included, allowing you to complete setup in about 30 minutes. Its compact design maximizes floor space savings. Built-in tablet holder lets you enjoy music or videos while you work out—for a more fun, energetic experience. LCD Fitness Tracking:The LCD display on the stair stepper clearly tracks your time, speed, distance, calories burned, and mileage in real time. Precisely records each workout, keeping you informed of your progress at all times.