It comes as H Type tail light with 8xWS2812B LEDs & Loud Buzzer. It provides dual control modes, can be controlled by Flight Controller firmware (Cleanflight, Betaflight,etc.) or Transmiter.

Specification:
Brand name: Matek
Item name: LED Tail light with Buzzer board
Dual modes: FC control & TX control
TX mode: LED 7 colors (White, Red, Green, Blue, Yellow, Magenta, Cyan) LED 5 status (Constant light, Slow blink, Fast blink, Voilent blink)
Buzzer: Lost Plane Finder
FC mode: support Naze32, SPRacingF3, etc. with CleanFlight or Betaflight firmware
 Input voltage range: 4.5~5.2V DC
Power of TX mode (5V IN ): 1W/0.2A~2W/0.4A Size & mounting: Pls check the Layout
Weight: 5g

Package Included:
1 X LED Tail light with Buzzer board