<b>Features:</b><br><br> 1. Recording Function. Press the "Record" Button and speak. Then press it again. At last, press the "Play" button, you'll hear what you said.<br> 2. Volume Control. You can adjust the volume of PA and siren at the same time.<br> 3. Switch on-off Function. If you don't want to use the car siren speaker, you can switch it off.<br> 4. Status Indicator Light. Showing the status of power and recording.<br> 5. 3 Siren sounds: Siren/Fire/Alarm.<br> 6. 80W Speaker is about 130 decibels at full volume<br> 7. Powered by: vehicles' electricity - 12V Only<br> 8. Microphone for PA system<br> 9. Speaker is 18cm long and 11cm height<br> 10. Input Current: 2.0-2.5A<br><br> <b>Pakage includes:</b><br><br> 1 X PA Mic<br> 1 X Speaker<br> 1 X Pack of installation kit<br>1 X Manual<br><br> <b>Attentions:</b><br><br> 1. It is not going to be as loud as $100+ Sirens sold on the market.<br> 2. Strictly for Non-Professional Use - This is not a professional product! The PA is not very loud on this - PA is the part where you would talk into.<br> 3. Valued customer, please understand this product is designed for custom installation. It needs 12V Power delivered to 2 wires. You may need to extend the wire(included) between the speaker and the control module if you are mounting this in your engine bay. Considering the price, this product is a fantastic value, however please don't expect professional grade equipment at this price. Please check above installation guide before purchase. If you are installing this on your cigar plug in your vehicle, you may need to increase the fuse on your cigar outlet.