It comes as H Type tail light with WS2812B LEDs & Loud Buzzer. It provides dual control modes, can be controlled by Flight Controller firmware (Cleanflight, Betaflight,etc.) or Transmiter.

Specification:
Item name: LED Tail light with Buzzer board
Dual modes: FC control & TX control
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: 1.1g,3.8g,4.5g

Package Included:
1 X LED Tail light with Buzzer board