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BACtrack S35 Personal Breathalyzer
Code: BT-S35
Regular price: $69.95
Sale price with FREE SHIPPING: $49.99
Quantity Desired:
Availability: Usually ships the same business day

Click Here to View Owner's Manual

The S35 Breathalyzer is BACtrack's sleekest, most convenient personal breathalyzer!

The BACtrack S35 breathalyzer is one of the smallest, sleekest breathalyzers on the market. Designed in California with ease of use and style in mind, this tiny breathalyzer harnesses a powerful proprietary sensing technology and a specially tuned algorithm, delivering results with unheard of accuracy at this price point.

You won’t believe the comfort and security you feel with this tiny unit in your pocket. Just pull it out, turn it on, and blow into it for five seconds. Your estimated BAC will display on the cool, Caribbean blue LCD screen.

Its miniature size makes it easy to fit into your pocket for testing of yourself or your friends discreetly. Everyone will want to test themselves whether you’re at a party, bar, restaurant, or anywhere else alcohol is consumed. And you can trust the S35 because of BACtrack’s history and experience with personal and professional alcohol testers.

Don't guesstimate your BAC based on how many drinks you've had or how you think you feel--use a BACtrack S35 and know where you stand.

Key Features

Three digit display shows BAC test results in easily recognizable format
Advanced MicroCheck® sensor provides trusted results
Learn how drinking alcohol affects your Blood Alcohol Content and always make smart, informed decisions
Ultra-portable design and unmistakable, palm-of-hand feel
Three optional mouthpieces also included for multiple users.
Wide test range – results displayed from 0.00-0.40 %BAC.
Full One-Year Warranty and trusted BACtrack brand
The BACtrack S35 is approved by the DOT / NTSA as a breath alcohol screening device and is FDA 510(k) cleared


BACtrack S35 Kit Includes

S35 Breathalyzer
3 Replaceable Mouthpieces
User Guide
One Year Warranty

The replaceable mouthpieces easily attach to the breath intake port. Simply insert a mouthpiece and begin testing. Mouthpieces can be reused or replaced after each test.

Additional Product Details

Dimensions 2.50 x 2.25 x 0.66 inches
Weight 1.7 oz (47g)
Battery 2 AAA batteries, not included
Battery Life 200-300 tests
Sensor Advanced MicroCheck®
Warmup Time 15-25 Seconds
Blowing Time 5 Seconds
Response Time 5 Seconds
BAC Range 0.00 - 0.40% BAC (Blood Alcohol Concentration)
Warranty One Full Year



Purchase the BACtrack S35 today and receive free USPS Priority Mail Shipping to the US! It is an excellent, price-conscious breathalyzer option for a wide variety of testing needs.

You may be interested in adding the following items to your order:


BACtrack S35 Mouthpieces - Pack of 10
BACtrack S35 Mouthpieces - Pack of 50
BACtrack S35 Mouthpieces - Pack of 10

Regular price: $12.99
Sale price with FREE SHIPPING: $7.99
BACtrack S35 Mouthpieces - Pack of 50

Regular price: $39.99
Sale price with FREE SHIPPING: $29.99