Check the listing for details. 50 x WS2812B RGB Programmable 5050 SMD LED PLCC-4. Color: RGB, Condition: New, Made in China. Listed at 27.52 USD. 50 x WS2812B RGB Programmable 5050 SMD LED PLCC-4 50 x WS2812B RGB Programmable 5050 SMD LED PLCC-4 WS2812B is a intelligent control LED light source that the control circuit and RGB chip are integrated in a package of 5050 components. Its internal include intelligent digital port data latch and signal reshaping amplification drive circuit. Also include a precision internal oscillator and a voltage programmable constant current control part, effectively ensuring the pixel point light color height consistent. Applications include full colour modules, light bars, decorative lighting, electronic products, LED screens etc. Brightness: red 310mcd, green 780mcd, blue 215mcd typical Wavelength: red 621nm, green 520nm, blue 471nm typical Dimensions: 5.0 x 5.4 x 1.57mm (length x width x height) D.