Notice: 1. The product is suitable for 12V equipment, the current is more than 1.5A. 2. Try to keep the microphone away from the speaker and avoid approaching and facing the speaker. 3. The battery needs to be replaced with more than 2A before it can make a sound. Features: 7 siren sounds Car siren speaker can make 7 alarm loud and clear sounds. PA system Car siren speaker are built in public-address system. You can talk to other people with this mic in your car. You can also have a joke with your friends, they will not know who is talking. Universal Suitable for Any 12V Vehicle: car siren speaker can be installed in any vehicle with 12V DC Power. You can install it in Car, Truck, RV, Boat, etc. High quality High quality ABS-plastic housing + iron holder.Package includes 1 x Speaker, 1 x PA mic, 1 x Pack of installation kit. Practical Car siren deals 80W car siren horn with mic PA speaker system emergency sound amplifier to be very load and audible even you are in a distant place. Specifications: Type: Car siren Material: Plastic Quantity: 1pc Item Color: Black Voltage: DC 12V Power: 100W Speaker Size: 16.9*15.9*10.9cm / 6.7*6.3*4.3rdquo (L*W*H) PA Mic Size: 6.2*5.8*10.3cm / 2.5*2.3*4.1rdquo (L*W*H) Net Weight: 614g / 21.7oz Package include: 1*Speaker 1*PA Mic 1*Pack of installation kit