ITEM NAME:WS2812B LED + 5V Active Buzzer for NAZE32 CC3D F3 F4 Flight Controller FPV RY1E2 WS2812B LED + 5V Active Buzzer for NAZE32 CC3D F3 F4 Flight Controller FPV RY1E2 Feature: Suitable for betaflight / cleanflight NAZE32 CC3D F3 F4 Flight Controller H structure for Tail aluminum column more than 20mm frame kit Specification: Item name: WS2812B LED + 5V Active Buzzer Voltage: 4.5~5.2V Size: 36.5X 20mm Weight: 4g Colour: Black Material: PCB Package Contents: 1 * WS2812B LED + 5V Active Buzzer.1 WS2812B LED + 5V Active Buzzer. Colour: Black. Weight: 4g.