Properties: 1. Color: black <br> 2. Easy to install<br> 3. 7 siren sounds, hooter / ambulance / traffic / police / fire alarm <br> 4.Powered by: Electric vehicles - 12V <br> 5. Microphone for PA system <br> 6. Speaker is 18 cm long and 11 cm high <br> 7. Input current: 2.0 - 2.5 A <br> 8. 80W speaker is about 130bd <br> Packageincludes: <br> 1 x microphone <br> 1 x speaker <br> 1 x installation kit <br> Attention:<br> 1. This is not a substitute for professional equipment and should not be considered as such.<br> 2. It won't be as high as £ 100 sirens sold in the market.<br> 3. Strict for Use - This is not a professional, not professional product. The pa is not very high in this - pa is the part in which you speak. <br> 4. Customer value, please understand that this product is intended for installation. requires 12V power is supplied on 2 cables. You may need to extend the cable (included) between the speaker and the assembly control module when you are in your Bay motor. Given the price, this product is a fantastic team of professional grade value, but please not that at this price. Please check the installation guide above before purchasing. If you install this on your cigarette plug in your vehicle, you have to increase the fuse in your cigarette socket.