Agile-shop 50pcs Ws2811 RGB Full Color 12mm Pixels Digital Addressable LED String Dc 5v Fa Voltage: 5V ; 12mm long; WS2811 led pixel string each end has a bulb High efficiency. For indoor and outdoor use Color Changing LED Lights, high brightness and low radiation Very attractive high attention getting LED Holiday lights Architectural lights for Canopy, Window,Corridor, Archwa