12V Police Siren with 3-Sound Microphone Megaphone

Where can you use it? 

Cars, minibusses, panel vans, light commercial vehicles, etc. with 12 volts, boats, yachts

Is this product 12 volts? 

What is 12 volts? / Generally, passenger cars, light commercial vehicles, minibusses, panel vans, etc. have a 12-volt power output. 24 volts? Trucks, buses, some commercial minibusses, TIRs, and some boats have a 24-volt power output.

Product Features: 

Siren 17 x 8 cm
Remote control 10 x 4.6 cm
It has a powerful 50W sound output.
There is a microphone for speaking and buttons to get 5 different sounds through the microphone.