General description Perfect for decoration and advertising lights, this product can be used to create outdoor advertising signs and custom letters. It features a WS2811 chip, requiring a programmable controller for operation. The IP68 waterproof rating allows for use in holiday lighting decorations. Technical specifications Voltage required: DC5V Aperture diameter: 12mm Length: 15cm Emitting color: Changeable Diameter between each pixel: 12mm, 80mm, or 130mm Measurement allowed error: +/- 1-3 cm Usage Channel letters Advertising signs Commercial sign Message display Product effect display Other information Package Contents: 100 * DC5V WS2811 Full Color Pixel Module Note: Light reflection and different displays may cause the color of the item to differ slightly from the real thing.