Amplivox SW630 Half-mile Hailer Kit APVSW630

16-channel UHF wireless receiver <br> Weatherproof reverberant horn speaker carries sound up to 300ft<br> Emergency siren button<br> Play siren function<br> Dual wireless capability<br> Operates up to 200 hours with 10 D batteries (not included)<br> Includes Half-Mile Hailer, wireless lapel microphone & headset microphone with body pack transmitter, extra horn speaker, 40ft cable, 2 tripods, nylon carrying case with wheels & retractable luggage handle<br>