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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)
  • Denton County (Dallas/Ft. Worth)
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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)
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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.

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.
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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.
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