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interlock device

What is an Intoxalock ignition interlock device?

An ignition interlock device is a breathalyzer that is installed in your vehicle to prevent drinking and driving. It is made up of a mouthpiece, a handheld unit and a cord that attaches to your vehicle's ignition system.

Intoxalock device accuracy

Intoxalock uses fuel cell technology in all devices to ensure the highest levels of accuracy and reliablity. Check
your state's requirements to see which products are approved in your state.

Compare our product features and benefits
Fast warm-up
BrAC level = 0.010
Single button activation
LED screen display
Camera for photo verification
Real-time reporting
Lockout cleared remotely
Tamper resistant
No humming
24 hour programming
Not tied to a vehicle
Fuel cell technology
Approved by the state of Iowa
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Intoxalock Legacy
Approved by the state of Iowa
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Intoxalock eLERT
Approved by the state of Iowa
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Intoxalock eLERT 24
Approved by the state of Iowa
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Intoxalock Home eLERT

Step by step instructions

To use your ignition interlock device, press the button on the handheld unit and wait until the LED displays "Blow." Most states require you the submit a blow, inhale, blow breath pattern into the mouthpiece. Some states require you to just blow into the device. Check your User's Manual for detailed instructions.

instructions device

Easy to use device technology

Intoxalock ignition interlock devices make it easy to start your vehicle and get you back on the road safely. Watch to see a real how-to video on how easy our devices are to operate on a day-to-day basis. Intoxalock advanced technology puts our devices ahead of the competition with quick and easy breath samples, fewer false positives than other brands and a device that works quickly to start your vehicle when you’re on the go.

See more how-to videos