Led World 50pc WS2812B 5050 RGB LED &PCB Board 1-LED Module Pixel Light 5V For DIY project Model: WS2812-light string board light source: SMD 5050 RGB plate: aluminum plate IC Model: WS2812B the gray level: 256 Beam angle: 120  FPCB board size: Width: 10 mm, thickness: 3mm Color: can be adjusted by the controller as follows: white, red, yellow, blue, green, etc. the standard operating voltage: DC 5V Power: 0.3W  0.01% Waterproof: not waterproof Note: Only For DIY project QTY:50PCS