Welcome to

Johnny’s Interlock

Your Trusted Provider of Ignition Interlock and Portable Alcohol Monitoring Devices in Texas!

As the Approved Service Provider for ALCOLOCK USA in Texas.

We are proud to offer the most advanced and reliable ignition interlock devices in the market, including the ALCOLOCK WR3. Our state-of-the-art technology ensures the highest level of accuracy and reliability, allowing you to get back on the road safely and with confidence.

We also provide the RELIANT EMU our Portable Alcohol Monitoring (PAM) Device. This Portable Breathalyzer is perfect for those who need to monitor their alcohol consumption remotely and discreetly, whether it’s court-ordered, probation supervision, bond conditions, or pretrial supervision.

At Johnny’s Interlock, we understand that time is of the essence. That’s why we offer same-day installations for our ignition interlock devices, and our PAM devices are available for immediate use upon pickup or delivery.

All of our Ignition Interlock Device (IID) Centers are certified with the Texas Department Of Public Safety, ensuring that our devices meet the highest standards of quality and performance.

You can trust that our team has the expertise and experience to provide top-notch services.

Whether you need an ignition interlock device or a PAM device, we’ve got you covered. Contact us today to learn more about our products and services, and let us help you get back on the road safely and with peace of mind.

OUR Best

Alcohol Monitoring Devices

Ignition Interlock Device ALCOLOCK™ WR3

ALCOLOCK WR3 measures the breath alcohol concentration (BrAC) of a driver and prevents the vehicle from starting if the driver BrAC is over a preset limit. Engineered specifically for impaired driving offenders, ALCOLOCK WR3 includes multiple features to prevent circumvention of the unit.

Portable Breathalyzer RELIANT™ EMU

RELIANT EMU is a portable breath alcohol tester used in electronic monitoring programs for subjects on pre-trial, parole, probation or court order to observe alcohol free behaviour in community supervision, home confinement or 24/7 applications.

Approved Texas Counties For Reliant EMU Portable Breathalyzer

  • Aransas County (Rockport)
  • Austin County (Bellville)
  • Bee County (Beeville)
  • Bexar County (San Antonio)
  • Brazoria County (Angelton)
  • Cameron County (Brownsville)
  • Collin County (McKinney)
  • Comal County (Lockhart)
  • Dallas County (Dallas)
  • Fayette County (LaGrange)
  • Fort Bend County (Richmond)
  • Galveston County (Galveston)
  • Harris County (Houston)
  • Hidalgo County (Edinburg)
  • Kaufman County (Kaufman)
  • Kleberg County (Kingsville)
  • McMullen County (Tilden)
  • Montgomery County (Conroe)
  • San Patricio County (Sinton)
  • Waller County (Hempstead)
  • Williamson County (Georgetown)
  • Willacy County (Raymondville)
  • Travis County (Austin)
  • Ellis County (Waxahachie)
  • Bell County (Temple, Killeen, Ft. Hood, Harker Heights)
  • Hays County (Dripping Springs, Buda, Wimberley, Kyle, San Marcos)
  • Denton County (Dallas/Ft. Worth)
  • Webb County (Laredo)

*Some Jurisdictions may vary.

Approved Texas Counties for the WR3 Ignition Interlock Device (IID)

  • Harris County (Houston)
  • Travis County (Austin)
  • Bexar County (San Antonio)
  • Hidalgo County (Edinburg)
  • Cameron county (Brownsville)
  • Dallas County (Dallas)
  • Hays County (Dripping Springs, Buda, Wimberley, Kyle, San Marcos)

*Some Jurisdictions may vary.

Johnny's interlock WR3 ignition interlock breathalyzer

About Johnny’s INTERLOCK

Johnny’s Interlock is a Texas DPS Certified Ignition Interlock Device (IID) Center and Alcolock Authorized Service Provider.

We specialize in Ignition Interlock and Portable Alcohol Monitoring Devices. Our mission is to help our clients get back to normalcy and head toward a brighter future by using the best technology and devices in the market.

We’re here to make your alcohol monitoring experience simple, affordable and stress free. No more possibility of road accidents under the influence of alcohol. Stay safe and be responsible. Make the road safer for everyone.

Our main office is located inside of Johnny’s Car Alarm & Tint in Houston but we have service centers across Texas.

Breathalyzers

We are proud to offer the ALCOLOCK WR3, our most advanced and reliable ignition interlock device in the market.

We also provide the RELIANT EMU our Portable Alcohol Monitoring (PAM) Device. This Portable Breathalyzer is perfect for those who need to monitor their alcohol consumption remotely and discreetly.

Whether it’s court-ordered, probation supervision, bond conditions, or pretrial supervision our state-of-the-art technology ensures the highest level of accuracy and reliability. Allowing you to get back on the road safely and with confidence.

At Johnny’s Interlock, we understand that time is of the essence. That’s why we offer same-day installations for our ignition interlock devices, and our PAM devices are available for immediate use upon pickup or delivery.

All of our Ignition Interlock Device (IID) Centers are certified with the Texas Department Of Public Safety, ensuring that our devices meet the highest standards of quality and performance.

You can trust that our team has the expertise and experience to provide top-notch services.

Whether you need an ignition interlock device or a PAM device, we’ve got you covered. Contact us today to learn more about our products and services, and let us help you get back on the road safely and with peace of mind.

portable alcohol monitoring device

Main Office:

STRIVING FOR

EXCELLENCE

  • Our goal is to make your ignition interlock or Breathalyzer experience as painless as possible.
  • We pride ourselves in providing the best experience. We’re committed to upholding the reputation we’ve earned as experts in the field of ignition interlock technology and service.
  • Our ignition interlock experts are here to help with any questions or concerns that you might have. A representative will sit down with you and train you on the proper use of your ignition interlock device. Our devices are accurate and easy-to-use.
  • Regular service appointments with our highly trained staff help keep your device in working order, and we strive to get you out of the door in less than 30 minutes.

Stay Informed with Timely Reminders and Alerts

At Johnny’s Interlock, we understand the importance of staying on top of your program and commitments. That’s why we offer our clients the convenience of receiving timely email and text message reminders and alerts. Our system is designed to keep you informed and help you meet program requirements seamlessly.

With our notifications, you’ll never miss a beat. We send out lockout notifications to ensure you’re always aware of your device’s status. Payment reminders help you stay up to date with your financial responsibilities, and appointment reminders ensure you’re where you need to be when you need to be there.

It’s all part of our commitment to making your journey through the program as smooth and hassle-free as possible. Stay connected and informed with Johnny’s Interlock.

Customers agree to opt in for SMS and email alerts in service agreement during activation. Opt-out instructions are available for those who wish to discontinue receiving messages. Service agreement must be signed before device activation.

GET BACK TO NORMALCY

We’re committed to helping those convicted of a DUI or DWI to stay compliant and within the terms of their jurisdictional requirements while earning their way back to driver’s license reinstatement and full driving privileges.

Learn More About Our Services

Schedule An Appointment Today

    TYPES OF

    BREATHALYZER DEVICES

    We offer the WR3 Alcohol Ignition Interlock Device and the RELIANT EMU Portable Breathalyzer Device.

    • The WR3 is an Ignition Interlock Device (IID) or Breath Alcohol Ignition Interlock Device (BAIID). It is a small handheld in-car Breathalyzer device.
    • The WR3 is a standard ignition interlock device with a camera. It tests your breath sample or that of the one who is driving. The device checks the sample at the time of startup and periodically while the car is being driven. The camera in this device snaps a picture of the driver during each test to ensure that no one else is blowing into the device apart from the driver.
    • The WR3 measures the breath alcohol concentration (BrAC) of a driver and prevents the vehicle from starting if the driver BrAC is over a preset limit. Engineered specifically for impaired driving offenders, the WR3 includes multiple features to prevent circumvention of the unit.
    • The RELIANT EMU Electric Monitoring device is a portable breath alcohol tester used in electronic monitoring programs for subjects son pre-trial, parole, probation or court order to observe alcohol free behavior in community supervision, home confinement or 24/7 applications. The RELIANT EMU Device works with a smart phone application.