To assemble, screw on the accompanying glass table top and plug in the A/C adapter to charge up the table. To activate your LED Glass Top Table, plug in the table use the remote to scroll through one of many color features, from single colors to color change effects. Also adjust the speeds, brightness and more. Table Base Dimensions (W x H): 13" x 20.5" Glass Top Diameter: 17.5" 21" LED Glass Top Table comes with an A/C adapter to charge and power.