ITEM NAME:Level Indicating Audio Sound Spectrum Analyzer Level Indicator ElectoronicsSEAU Description : 100% brand new and high quality LM3915 Audio Level Indicator DIY Kit Power voltage: DC9V--12V PCB size: Approx. 62 x 26mm Package Included: 1  x LM3915 Audio Level Indicator DIY Kit.Two kinds of indicator mode: strip indicator and fire dot indicator. 1 x LM3915 Audio Level Indicator DIY Kit.