V-SEK 100w Loud 12v Car Horn Siren Kit Pa System 7 Tone Police Fire Fighter Car Truck 12 Volt Siren with 6 Siren Sounds, and PA Microphone System. 150 Max SPL DB Entry Level Siren with microphone for PA System Application For Hooter/Ambulance/Traffic/Police/Fire Fighter /Car/Truck 100% brand new. The sound is pure, super loud! With mounting bracket,the installation is simple. 6 siren sounds,with microphone functions for PA system Color:Black Material:Aluminum Housing /High Quality and Durable