All attachments : Table top *1+ metal support *2+ screws *12+ expansion plug *12 Installation height : According to their actual needs, choose the installation position, there is no mandatory requirement Multiple size and color options : Each size is available in 4 colors, black, white, yellow and blue, and each color has 21 sizes to choose from to meet your actual needs Important note : Because of the light source, the color and gloss of the product picture may be slightly different from the real thing.