Perfect for decoration, advertising lights. Product can be used to create advertising signs outdoors to create the letters of your choice. It has a WS2811 chip inside, so you need to use a programmable controller to control it. Voltage required: DC5V Aperture diameter required: 12mm Emitting color: Changeable 12mm, 80mm or 130mm diameter between each pixel Capable of individually changing their color, all can be different colors. IP68 waterproof, can be used outdoors for holiday lighting decoration. Application: Channel letters, advertising signs, commercial sign, message display, product effect display. Color: Multicolor Material: Plastic Size: Length of the: 15cm Package Contents: 100 * DC5V ws2811 Full Color Pixel Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.