... This product uses energy-saving design, it is light and soft, and can automatically adjust the brightness. Its power less ... Green,Red,White,Blue)Note: Please infrom us which color and adapter would like to buy. Thank you! Features:1.Multi ... , classroom, bus stations, train stations, subway stations5.AC / DC adapter, transformer support 100-240V, 50/60HZ.Specifications & Packaging: Package Contents100 ...