Great for decoration, advertising lights.This product can be used to make the outdoor advertising board to make any letters you want.It has WS2811 chip inside so that you need to use programmable controller to control it.Required voltage: DC5VRequired Opening Diameter: 12mmColor Emission: VariableDiameter of 5.12MM, 80MM between Each Pixel;Able to change their color individually, they can all be different colors;Waterproof IP68, can be used outdoors for party lighting decoration.Application:1. The Channel Letters2. Advertising signs3. Commercial sign4. Message display5. Effect of Product DisplayColour: multicolorMaterial: plasticSize: Length about: 15cmPackage Contents:100 * ws2811 full color pixel moduleOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.