Smartxchoices 8' Wind mill Wind Spinners Ornamental Garden Decoration Weather Vane Weather/Rust Resistant, 8ft (Green) Strictly wind powered with no batteries or electrical outlets needed Made of durable steel with a 4 leg design that keeps it sturdy and in place Weather Resistant. Ball bearing for quiet operation Insert 4 metal legs with stakes to bear wind. Weather resistant design makes it built to last through the season