The file 'ZMR 250 Frame With Matek WS2812B LED Board 3D Printer Model' is (stl) file type, size is 76.5KB.
Matek WS2812B LED Boardhttp://www.banggood.com/de/Matek-WS2812B-LED-Board-With-5V-Buzzer-For-Naze-32-Skyline-32-Flight-Controller-p-991715.html