Sold EXCLUSIVELY by Assured Automotive Company and their Dealers. This Assured Performance Siren can be heard blocks away with this super loud 100 watt siren system. With 4 siren tones PLUS air horn tone and PA. This kit include a 100 watt ABS Speaker(Dim:4.8''H x 7.3''W x 6.31''D (see pic. above). A Solid State Control Box (DIM: 1.36''H x 4.5''W x 3.9''D). Also included is a durable solid state microphone assembly with a crystal clear voice response. This siren kit will work on any 12v System and draws only 5 amps. How do you hook up?? You simply connect the RED wire to a 12v source (inline fuse Included). You run the BLACK wire to a ground (or negative battery post). Kit also includes easy to read install instructions. Installer may need to purchase additional wiring. Typical install time is less than a 1 hour. Check your local laws; it may be illegal for this siren to be installed in unauthorized vehicles.