POWERFUL- The System output is 100W with apowerful speaker and a higher rating of over 110db you get quality audio output which is audible from a distance away; it has 7 distinctive sounds that is really helpful in your activities such as fire alarm, wailing ambulance, police siren, traditional shooter, etc. 7 TONES- 7-tone design with clear and pure sound, in which you can choose depends upon your use and needs. You can use and choose between fire alarm, waling ambulance, police siren, traditional shooter, etc. FEETURES- 100 Watt amplifier (Actual output power: 130W). 7 Tones. 2 auxiliary switches Hands-Free Operation with override from the horn ring. Pre-wired push to talk microphone HIGH QUALITY- Heavy duty, rust resistant construction speaker. Universal mounting bracket. 100 Watt / 8 Ohm to provide professional tool set for long time usage EASY TO INSTALL - Safego car siren is easy to install, just connect the RED wire to a 12v source. Run the BLACK wire to a ground (or negative battery post), With very large vehicles, the installer may need to purchase additional wiring to elongate the wires. Check your local laws; it may be illegal for this siren to be installed in unauthorized vehicles Features: Brand New in box Easy to mount and very loud sound 7 siren sounds: Hooter/Ambulance/Traffic/police/Fire alarm, etc Including microphone can work as a PA system Up to 300db at Full Volume 4-Hole Mounting Base easy to install with screws Specification: Color: Black Material: ABS Plastic Speaker: 100 Watt Voltage: 12V What is in the box? 1x 7-Tones Loud Siren Horn 1x PA System Microphone 1x Microphone Holder 2x Screws