● IMPORTANT NOTE: Don't screw the wheels too tightly or they will get stuck and won't turn.● Sturdy aluminum alloy frame can hold up to 440 lbs● Dual-tier armrests and textured grips for easier standing● Height-adjustable walkers with 7 gears to change● Functional walker with fixed mode and interactive mode● One-click folding and lightweight design for easy storage anbd carrying● Non-slip foot pads ensures safe usage on wet pavement● Smooth and anti-skid Unidirectional wheels for better convenience● Tool-free assembly and easy maintenance save time