Features:_x000D_Material: Made of premium materials, it has good durability and stability, and can be used for a long time._x000D_Multi Display Effects: With 8 display effects, users can freely adjust the real speed of each optical column and the main optical column._x000D_The original real-time mode can be adjusted to professional DB mode, which can be installed in professional related equipment for signal monitoring._x000D_Display color: The module has a display color of 7 green 2-orange 3 red, and it will automatically jumps according to the setting_x000D_Instructions for use: the music stereo VU meter can be used in the DIY area. It is recommended for people with practical skills and electronic-basics. It is a rarely good for you._x000D_Notice:_x000D_1.Actual color may be slightly different from the image due to different light effect_x000D_2.Please allow 1-3cm deviation due to manual measurement_x000D_ _x000D_Description:_x000D_Material: Semiconductor_x000D_Power Voltage: DC 7V-12V_x000D_PCB Size: Approx. 80x14mm / 3.1x0.6in_x000D_LED Module Size: Approx. 58x14mm / 2.3x0.6in_x000D_Line Length: Approx. 20cm / 7.9in_x000D_Display Effect a total of 8 effects_x000D_1. The main light bar peak-stay after the-drop_x000D_2. The main light bar disappears after the peak-stays_x000D_3. The main light no-peak_x000D_4. The main light bar peak-flow to the right disappears_x000D_5. Main light section 2 lights_x000D_6. The main light bar is highlighted 1 light_x000D_7. The main light bar peak-running back and forth_x000D_8. The main light bar peak-light jumps to the right after two lamp positions_x000D__x000D_Package List:_x000D_1 Set Mini Dual 12 Level Indicator_x000D__x000D_