The StormPro 100w Siren packs a punch and produces 124 decibels of clear, thundering sound in 23 programmable tones. The leading siren for pursuit and response vehicles, the Storm Pro's remote activation allows universal compatibility with non-Feniex controllers. For maximum impact, pair your Storm Pro police siren with the Feniex Triton speaker and the Feniex 4200 Data Link controller. Meets or exceeds SAE J1849 standards. Included are 1x Storm Pro 100w Amplifier, 1x Mic, 1x Mic Clip and 2x Screws.