Crown Neon sign is made by flexible silicon LED strip lights and fixed on an acrylic clear board Neon sign size is 17”x 13'' ( 420mm x 320mm). USB Cable length: 1.8m ( 5.9 ft).The color is as shown in photos Dimmer adjustable modes for brightness. USB switch with low voltage of 5V ( But no power adapter attached) The neon sign have pre-drilled three holes with a metal chain in the package. Hang it up easily on the wall or any places outside you like One year quality guarantee promised. Any questions, please contact us any time neon sign for wall decor