Features: Transform sound into mesmerizing light shows with LED music spectrum kit, featuring builts in dot matrixes clock and soldering for electronics enthusiasts. Combines real time sound visualization with precise timekeeping through dot matrixes LEDs, packaged as friendly PC baseds soldering kit for hands on assembly. for DIY hobbyists, electronics learners, and creative decorators interactives home/office lighting solution with functional clock integration. for enhancing music parties in living room, serving as nightstand ambients lighting, or creating personalizeds decor in workshops and gamings setups. This multifunctional decor merges STEM education with practical home electronics, offering light reduced visual entertainments and customizable spectrum pattern. Specifications: Materials: PC Motherboards size:12.8x3.2cm Color: Green Square Dots, Yellow Square Dots, Red Square Dots, Blue Square Dots(optional) Package Includes: 1Set LED Music Spectrum Kit note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.