Please understand this product is designed for custom installation. It needs 12V power delivered to 2 wires. You may have to extend the wire 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.

Descriptions:

High-strength shell, water resistant, corrosion-resistant 7 sounds car alarm siren (including animal noises); It is about 300 decibels unit at full volume; With microphone for PA system; Press the left button of controller and then you can say something; The sound is pure, super loud; With mounting bracket, easy to install and easy to operate; Red wire connects to 12V power supply positive, black wire connects to 12V power supply negative; Anti-water, but please don't dip in water, so please don't install it under the car; Suitable for any car/motorbicycle/motorbike/boat/truck.

Notice:

1. The supply voltage should meet the operating voltage, or can not work properly;

2. The wiring should be correct, otherwise it does not work;

3. The speaker wire should be avoided a short circuit;

4. Be sure not to exceed the linear spring elasticity range to avoid unnecessary damages.