We consider a interlock device to be a worthy investment in the long run. We are here to help you pick the best one for your needs from all the best available products in market today.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Bactrack Interlock Device READ REVIEW

Best For High Precision: Buy: Rofeer Interlock Device READ REVIEW

Best For Display Of Results: Buy: Yoma Interlock Device READ REVIEW

Best For Various Purposes: Buy: Dräger Interlock Device READ REVIEW

Best For Various Testing Conditions With The Extended Cal: Buy: Isober Interlock Device READ REVIEW

Best With Fast Shipping: Buy: Skyfine Usa Interlock Device READ REVIEW

Best Overall: Bactrack Interlock Device

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The Bactrack line of devices comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Bactrack Interlock Device is very readable, it is highly recommended and has a pocket design. Blow for 5 seconds and your BAC results are displayed 10 seconds later on a bright, easy to read lcd screen. The bactrack s80 professional breathalyzer is the most accurate breathalyzer in the bactrack family, delivering reliable bac results, with police - grade accuracy.

The device is pretty accurate and has a handheld design. Also, the device is compact, is really nice, it allows for long battery life and has a keychain design. Most importantly, the bactrack interlock device has different settings, it is sensitive and has a compact design.

Most customers found that the device makes a steady beep saying the blowing is going fine. In addition, they say that the device is good for about 6-12 months before the unit needs to be serviced. In addition, they also found that the bactrack s80 is an extremely accurate device and uses the same technology as police breathalyzers. In conclusion, many customers have used the device for more than a few months without any issues, and it shows no sign of giving up.

• This is an absolute piece of garbage and a waste of money.
• This includes 6 replaceable mouthpieces.
• This device does not reflect accurate readings.
• This is making a measurement of the sampled air.

Best For High Precision: Rofeer Interlock Device

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The Rofeer line of devices comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Rofeer Interlock Device works as advertised, It works very well and has a pocket design. You can check the battery level through the battery mark on the upper right of the screen. The blood alcohol breathalyzer is only 4.84in*2.17in*0.75, so it can be placed in a wallet or pocket easily.

The device is made with good value, has a carry case, it is best for lower than warning value and has a keychain design. Also, it comes with helpful tool, It is sleek and has a nice design. Most importantly, the rofeer interlock device is powered by a 3aaa battery, it will automatically power off after 15 seconds of no operation in order to save power.

Almost all buyers agree that the device comes with no batteries. Also, a few also found that the device comes with many different mouth pieces for multiple options. Also, they strongly agree that the device is used to detect the concentration of alcohol residues in people after drinking. To sum up, the tone of buyers is very positive and we believe that the device suits the purpose.

• This comes with a bunch and they are reusable.
• This comes with a small drawstring suede-like black bag and many mouthpieces.
• This comes with additional mouthpieces and a nice carry bag.
• This includes 10 replaceable tips.

Best For Display Of Results: Yoma Interlock Device

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The Yoma Interlock Device's superior materials make sure that it ages well with use. The yoma interlock device is designed with low voltage for energy-saved. The breathalyzer is one-button operation and you can use it without re calibration. Also, it will be red and the buzzer will also give out a hurried alarm to remind the user.

The device is great with response time, It is made for displaying of results and has a pocket design. Also, the device will auto power-off to save power after finishing the test for 15 seconds. Above all, the yoma interlock device comes with 10 replaceable mouthpieces.

"It also auto shows the output in metric rather than American and you have to press the conversion button every time. " - says, one customer. With no doubts, this device passed the test and had very satisfied buyers eager to share their experience.

• Press the power button and wait 20 seconds for you to hear a bi-sound.
• Great for ensures your safe driving.
• Hold your breath for 3 seconds while testing bac.
• This is designed for fast response and has an energy-saved design.

Best For Various Purposes: Dräger Interlock Device

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The Dräger Interlock Device is suitable and reliable and fits well with your daily use. The dräger interlock device comes with 5 mouthpieces, It is input and has a nice design. Manufacturer says: The alcotest 3820’s award-winning design and its electro-chemical sensor are developed by Dräger and produced in our high-tech facility in northern Germany. Also, it is intuitive and has a pocket design.

Most importantly, the dräger interlock device is made in Germany, It is great for customer service and has a keychain design.

Most customers agree that the device is made by Drager, supplier for law enforcement and medical professionals. Further, they say that the device is a normal behavior of electrochemical sensors. Also, they also found that this device is made in the same factory in Lübeck, Germany as police units, costs multiple times more and uses the same sensing internals. With no doubts, this product passed the test and had very satisfied buyers eager to share their experience.

• The device quit working because it said it was time for calibration.
• This is a great device for various purposes.
• This is absolutely German attention to detail.
• This can be trusted for good quality, It is compact and has an ergonomic design.

Best For Various Testing Conditions With The Extended Cal: Isober Interlock Device

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If you often find yourself confused about the appropriate and satisfactory device, another interlockdevice should be your first option for buying. The Isober Interlock Device has more than 22 years of manufacturing experience of alcohol screening devices and evidential breathalyzers for the police in the world. An Oled screen with full text provides you with fast & reliable BAC readings up to 3 decimal places that are accurate to ±5% at 0.050%bac. And, this is ideal for various testing conditions with the extended cal.

The device comes with 5 mouthpieces and it is good for high quality. Moreover, it comes with a 30 - day full refund from Amazon, 12 - month warranty and 24/7/365 technical support. Lastly, the isober interlock device works well for good quality and it is compact.

Almost all buyers found that the device is small and easy to use while being very accurate. Further, they also found that the device is a conversation piece that brought people together. In addition, a few say that this is great for professional use, but for someone who is using it for entertainment, it is difficult to compare results. In conclusion, buyers found this to be one of the best devices for daily purposes.

• Fda 510(k) makes sure the product quality and meets the customer’s satisfaction.
• This is really nice and it is perfect for police use quality.
• This is pretty self - explanatory to add to that, it definitely feels well made.
• This is a very nice quality and feels like it is made to last.

Best With Fast Shipping: Skyfine Usa Interlock Device

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The best part: skyfine USA interlock device costs comparatively little and it is available to ship in 24 hours. Moreover, this is great with fast shipping and it is best for customer service. Manufacturer says: Electrochemical (fuel cell) sensor technology to register bac levels in our iid's. Finally, the skyfine USA interlockdevice comes with fantastic customer service and it is highly recommend.

Most customers quickly discovered that the device would simply display error then turn off. Further, a few also found that the device can be installed in any type of vehicle push button or key start. And, they say that this is a voluntary ignition interlock device, it will not satisfy any court or DMV requirements for ignition interlock devices. Overall, many buyers have used the skyfine USA interlock device for more than a few months without any complaints, and it shows no sign of giving up.

• Easy - just an easy 3 second blow to read your BAC levels.
• This is properly installed and set at zero, the car won't start.
• This interlock device only requires a test when you start the vehicle.
• Free yearly calibration to keep your ignition interlock device operating at peak performance.