Pls Note: "Koolertron" (TM) Siren with good Quality and well package with designed LogoOriginal "Koolertron" (TM) product just sold buy "Kastonecorp" pls choose the right seller.Description: Brand New 12 Volt Siren with 5 Siren Sounds, and PA Microphone System. This 12 volt siren work as a PA system including microphone and has 5 siren sounds. Power cord: 20cm. Very simple to install. Operate all functions with a single hand. Specification 12 Volt powered. Speaker is 18cm long and 11cm height 60W Speaker provides very loudly sound, it is about 300 decibels unit at full volume. 5 Siren sounds: Hooter/Ambulance/Traffic/police/Fire alarm Microphone for PA system. Package includes: 1 × Car Speaker