Our 300 Series Siren offers microchip sound controlled tones that are designed to match industry standards yet can be easily modified to create custom tones. The Park Kill function automatically disables the siren once vehicle is in park so you don’t need to waste any time getting out of your vehicle. User selectable jumpers can be easily accessed without removing the cover making this one of the easiest sirens to install and service. Siren ships complete with microphone, steel mounting bracket, harness and 10 foot of wire. Proudly Made in the USA. Siren meets SAE J1849 and is CA Title 13 requirements.