Proven science. Reliable performance. Monitech Ignition Interlock Devices.

Monitech engineers and manufactures two generations of ignition interlock devices that prevent a vehicle from operating if your blood alcohol content exceeds the legal limits. These devices have helped set the standard of excellence in our industry.
These devices are reliable and deliver accurate readings under every condition, so when you need to jump in your car and run an errand or get to work, you can count on getting there. (*Please note as of early August 2012, the LJ-1 will no longer be available.)
Technology you can count on.



