Powerful Handy Rechargeable Plastic Megaphone with Siren Speaker Mp3 Distance 1000m

Audio range: 1000meters 100w Material: ABS Uses: Announcement, Speech, Warning, Siren Security, Car Parking, Stage Shows, Event Management, Rallies, Campaign, Marketing, Sports Cheering, Announcing results and so on. Both options: Rechargeable and Battery operated TF card/USB Memory option but not included Power Sources: 7.4V - 9V 350 Seconds Recording Introducing Powerful Handy Rechargeable Plastic Megaphone with Siren Speaker Mp3 Distance 1000m.