General description Perfect for decoration and advertising lights, this product can be used to create outdoor advertising signs and letters of your choice. It features a WS2811 chip, requiring a programmable controller for operation. With IP68 waterproofing, it is suitable for holiday lighting decoration. Technical specifications Voltage required: DC5V Aperture diameter: 12mm Length of each module: 15cm Emitting color: Changeable Measurement allowed error: +/- 1-3 cm Usage Ideal for channel letters Perfect for advertising signs Suitable for commercial sign and message display Great for product effect display Other information Package Contents: 50 * DC5V WS2811 Full Color Pixel Module Color: Multicolor Material: Plastic Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the real thing.