Great for decoration, advertising lights.This product can be used to make advertisement board outdoor to make any letters you want.It has WS2811 chip inside so you need to use a programable controller to control it.Required Voltage: DC5VRequired Aperture Diameter : 12mmEmitting Color: Changeable12MM Diameter , 80mm or 130mm between Each PixelAble to individually change their colour,can all be different colours.Waterproof IP68,can be used outdoor for holiday lighting decoration.Application: Channel Letters, Advertisement Signs, Commercial Sign, Message Display, Product Effect Display.Colour: multicolorMaterial: plasticSize: wire length: 15cmPackage Contents:50 * DC5V 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.