The LifeSafer FC100 is the most widely used ignition interlock device in the United States. The device incorporates ergonomics, simplicity, and reliability in a small device designed to restore freedom of the road to drivers who have a DUI restriction.

  • Removable, sanitary mouthpiece
  • Instructional indicator lights, audio indicator and multi-language written messaging
  • State-of-the-art sensor technology
  • Rugged, durable construction
  • Direct wiring to ignition system by qualified installers; removable handset
  • Velcro mounted to dashboard
  • Modest design fits well in hand and in vehicle
LifeSafer FC100 Ignition Interlock Device

Reliable Sensing Technology

“Alcohol-specific” sensing technology delivers accurate performance day-in and day-out.

Events Log

A built-in memory chip records all events in accordance with state regulations.

Service Reminder Reset

This feature reminds the client that a service appointment should be booked soon to stay in compliance with state laws and regulations.

Vehicle Restart

If the vehicle should stall, this feature give the driver a few minutes’ grace period to start the vehicle without needing a breath test. This is a safety precaution for the driver.

For more on the operation of the FC100, view the video in our support section.



For jurisdictions that require a camera with the ignition interlock installation, LifeSafer provides a separately-mounted camera that interfaces seamlessly with our FC100 device.

  • Indicator light signals handset-to-camera link, enabling test to begin
  • Separately mounted near the rearview mirror without obstructing driver’s view
  • Suction-cup mounted camera holds securely to windshield
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