Specifications:Case Material: ABS electronickellingLED Emitting Color: Green， blue， redInner diameter of tube: 1.45cmOuter diameter of tube: 2.0cmItem size: 23.3 * 10.2 * 3.6cmItem weight: 208gPackage size: 12.1 * 6.8 * 29.1cmPackage weight: 314g