Feature:1. Made of high quality materials, it has good durability and stability, and can be used for a long time.2. With 8 display effects, users can freely adjust the real speed of each optical column and the main optical column.3. The original real-time mode can be adjusted to professional DB mode, which can be installed in professional related equipment for signal monitoring.4. Signal input is isolated by op-amp to avoid high-frequency interference of single-chip computer into audio.5. It can be used by DIY. It is recommended that it be used by people with hands-on ability and electronic basis.Specification:Condition: 100% Brand NewItem Type: Music Spectrum IndicatorMaterial: SemiconductorPCB Size: Approx. 80x14mm / 3.1x0.6inLED Module Size: Approx. 58x14mm / 2.3x0.6inLine Length: Approx. 20cm / 7.9inDisplay Effect (a total of 8 effects)1. The main light bar + peak stay after the drop2. The main light bar disappears after the peak stays3. The main light (no peak)4. The main light bar + peak flow to the right disappears5. Main light section (2 lights)6. The main light bar is highlighted (1 light)7. The main light bar + peak running back and forth8. The main light bar + peak light jumps to the right after two lamp positionsWide range of AGC modes and professional DB modePackage List:1 x Music Spectrum Indicator2 x LED Module1 x 2.0 Spacing 5PIN Socket1 x 2.0 Spacing 20cm 5PIN Line