Product Name: Airborne Digital Voice Broadcasting System Product model: AF-3S Load interface: SkyPort V2.0 Product size: 173.5mm * 143mm * 90mm (± 1mm) Product weight: 470 ± 5g Maximum sound pressure: 130dba Maximum power: 50W Effective broadcasting distance: 500 meters Maximum broadcasting distance: 800 meters Working temperature:- 20℃-45℃ Communication link: DJI drone link Control distance: Consistent with the communication distance of the drone Pitch angle: 0-90 ° Shouting method: Real time shouting, sound recording, Audio file playback, TTS text to speech (supports loop playback), alert Audio format: Mp3/Wav/Flac/AAC/Wma Compatible models: DJI M300/M350