To date, the Guardian Ignition Interlock devices have already prevented 4,931,988 intoxicated drivers from accessing the roadways.

These in-car devices incorporate intelligent driver recognition, mandatory breath-testing before ignition and immediate lock-down of vehicle's ignition system at the first indication of alcohol, to successfully prohibit intoxicated drivers from repeatedly harming themselves and their fellow citizens.

Studies show that re-arrest rates have decreased by 66% among individuals who have used Guardian's Interlock device.

We are a business founded on providing technologically innovative and reliable products, and ensuring a cost-effective alternative to the expense of incarceration.

Explore our site to learn more about how we became the industry-leader in Interlock devices, and how we can be of service to you.

The AMS2000, the most
advanced design in the industry

After 20 years of experience in the BAIID industry, Guardian has developed
the most advanced design in the industry. Easy-to-understand operating
instructions, combined with a compact design, make participants more apt
to use the AMS 2000 in a timely and accurate manner.

Learn more about the AMS2000

What you need to know about DUI and auto insurance.