12V DC 3 Tone Loud Security Siren Horn Alarm Speaker for Vehicle Car Truck Warning Features： 1、105-115dB super loud, clear and striking, provides powerful warning, not easy to ignore, ensure your driving safety. 2、3 different sound, meet your different needs, you can choose what you want by the controller. 3、Easy to install with different color wire, simple operation. 4、Made of quality material, solid and durable. 5、Small size and lightweight, easy to carry, save the space. 6、Fits for most DC 12V vehicles, such as car, motorcycle, boat, truck, tractor, van, SUV, etc. 7、?? 105-115dB super loud, clear and striking, provides powerful warning, not easy to ignore, ensure your driving safety. 8、?? 3 different sound, meet your different needs, you can choose what you want by the controller. 9、?? Easy to install with different color wire, simple operation. 10、?? Made of quality material, solid and durable. 11、?? Small size and lightweight, easy to carry, save the space. Specification： Features: 105-115dB super loud, clear and striking, provides powerful warning, not easy to ignore, ensure your driving safety. 3 different sound, meet your different needs, you can choose what you want by the controller. Easy to install with different color wire, simple operation. Made of quality material, solid and durable. Small size and lightweight, easy to carry, save the space. Fits for most DC 12V vehicles, such as car, motorcycle, boat, truck, tractor, van, SUV, etc. Specification: Voltage: DC 12V Power: 30W Material: Plastic & Metal Color: Black Package Size: 11.6 * 11.6 * 11.2cm / 4.57 * 4.57 * 4.41in Package Weight: 372.9g / 13.15oz Package List: 1 * Speaker 1 * Controller Package List： 1 * Speaker 1 * Controller