YHAAVALE car siren speaker are built in public-address system. You can talk to other people with this mic in your car.
5 SIREN SOUNDS: YHAAVALE car siren speaker can offer 5 loud and clear sounds,include WAIL-1,WAIL-?,HI-LO,HORN,SIREN. Please don't use siren when emergency situation happened.
The sound car siren is constructed from premium quality materials to ensure maximum strength and durability for long lasting usage.
Easy to install. Just connect the RED wire to a 12v source (inline fuse included). Run the BLACK wire to a ground (or negative battery post).Two green wires connect with speaker.
Suitable for Any 12V Vehicle: can be installed in any vehicle with 12V DC power. You can install it in Car, police car,Truck, fire car,Jeep, RV, Boat, motorcycle,ambulance,SUV, etc.