Specifications: Power: 5V/1A USB Material of back Panel: Transparent Acrylic Panel Material of LED: SMD2835 LED Net Weight: 610g USB Cable Length: 2M/6.6ft Hanging Chain Length: 60cm/23.62inch Size(L*W): 30x30cmThickness: 1.2cm/0.47inch 5 Levels of Adjustable Brightness: 20%, 40%, 60%, 80%,100% Package List: 1. Neon Sign*1 2. USB Cable*1 3. Hanging Chain*1