Product type: airborne multi in one module Product model: AF-4C Product Material: Aviation Aluminum/Stainless Steel Material Working voltage: 12-48v Product size: 200mm*155mm*140mm(±2mm） Product weight: 970g（±10g） Power: ≤ 50W Lighting 25W/Loudspeaker 30W/Red Blue 3W Working temperature:- 10℃~40℃ Maximum sound pressure: 130dba Effective transmission distance: 500m Maximum broadcasting distance: 800m Audio format: Mp3/Wav/Flac/AAC Maximum brightness: 1000lm Speaker angle: not adjustable Exploration angle: not adjustable Lamp output angle: 15° Red and blue indicator light modes: 16 flashing modes Communication interface: Ethernet port Control mode: app Control distance: The distance between the link devices is consistent Functions: Real time shouting, recording upload, audio file playback, text to speech conversion One click brightness adjustment, lighting flashing, red blue flashing, red blue mode switching, remote audio reception.