LM3915 DC 9V12V 10 LED Sound Audio Spectrum Analyzer Level Indicator Kit DIY Soldering Kit

LM3915 audio level indicator kit (presented two connecting lines)Power supply voltage: DC9V 12V PCB Size: 62mm * wide 27mm Two kinds of instruction modes: strip instructions and fire pointlike instructions Lights provide both vertical and horizontal rows of installation HAL treated pad Parameters are printed directly on the PCB components without reference to the circuit diagram components can be soldered directly on to the PCB.