HUUM Drop UKU Replacement Control PanelUKU has several colors. The options are: blue colored plastic case, dark black glass, grey colored plastic case, sand colored plastic case, white colored plastic case, UKU has several colors and wooden case. Wooden cases are handmade out of thermo treated ash. Additional control display panel for UKU control. Select from Blue, Gray, Sand, White, Glass, and Wood. Available with glass, thermo treated ash, and colored plastic cases. Settable on off,