LED strip in the light bar illuminates an engraved acrylic plate & is powered by a low-energy USB adaptor. Engraving in the acrylic plate will be white/transparent when it’s off. Turning it on it will have multiple color choices. This led sign has 7 color moods: red, blue, green, pink, turquoise, yellow, & white. It also has 3 different automatic color-changing modes. Each base has a long USB cable & mode/brighter/darker buttons. Use your own USB mains plug or plug within your computer or other USB port. LED Sign: Light bar is made from aluminum alloy. Measures: 150mm (5.90in). The power lead measures 1.5m (4.92 ft). Slide measurements: 1) 180mm (7.08inch) wide x 100mm (3.93inch) height x 5mm (0.196inch) thickness. 2) 180mm (7.08inch) wide x 150mm (5.90inch) height x 5mm (0.196inch) thickness. 3) 240mm (9.44inch) wide x 120mm (4.72inch) height x 5mm (0.196inch) thickness. What comes in the box: 1x Acrylic slide. 1x LED light bar (chain, two pieces of U mounts to hang) 1x USB power lead (power adapter not included). Cleaning Acrylic Sheet! Soapy water is the safest & most effective cleaning solution for acrylic. Use a non-abrasive lint-free or microfiber cloth that won’t scratch the surface. Acrylic sheets can be damaged by harsh solvents & cleaners. Streaming Led Sign, Wall Hanging Light, Custom Neon Light Up Streamer Gift, Decor