Constructor Audio level indicator LM3915

- Power supply voltage: DC 9V - 12V
- PCB Size: 62mm * wide 27mm
- Two kinds of instruction modes: strip instructions and fire point-like 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 of the situation can be welded directly, very convenient.
- HAL treatment pads, solder joints can be better, but beautiful.