LED Light Up Serving Trays will surely light up your service, as well as your tips! LED trays are lightweight and easy to carry. Tops of Light Trays have a rubber liner to help prevent spillage. LED Bar Trays feature a dazzling circle of bright white lights around the outer rim that will attract those thirsty patrons or serve as an ultra beautiful cocktail tray at house parties! To activate your Light Tray, slide the switch underneath, then press the black button near the battery pack. Bright LEDs will shine a steady light - no flash on this chilled out light product. Dimensions (diam.): 14.25". LED Colors: 4 Blue, 4 Green, 4 Red. LED Light Up Serving Trays includes 3 replaceable AA Batteries.