"The AlcoHAWK Ultra Slim breathalyzer is one of the most accurate and affordable breath alcohol screening devices on the market. It features a sleek personal design, roughly the size of a cell phone, and is made of high quality, impact resistant ABS material. The Ultra Slim screens for the presence of alcohol quickly and is an ideal solution for a discreet, easy-to-use breathalyzer unit. The Ultra Slim is equipped with a clear Ruby Red L.E.D. 2-digit display and is pre-calibrated in the USA before shipment. This unit has also been upgraded to include rounded corners, glossy finish and incorporates a folding mouthpiece design to enhance accuracy of the test results by minimizing ambient air which could skew the test results. The folding mouthpieces also allow for maximum portability yet the ability to attach disposable mouthpiece covers (3 included) for sanitary use by multiple users! It's the ideal unit for testing your BAC! Why AlcoHAWK? From Engineering to Calibration, we are committed to making the best breathalyzers on the market and offering quality customer service that keeps them going strong. We have been a consumer favorite for 20 years. As pioneers in the industry, we’ve been producing expertly engineered breathalyzers for the consumer market since 1999. We combine cutting-edge technology and simple-to use formats, offering breathalyzers that fit any application and any price point. And we do it all with a level of accuracy and service that puts AlcoHAWK breathalyzers above the competition. What to Expect from your AlcoHAWK unit: EXPERT ENGINEERING: We know you count on our breathalyzers to deliver accurate, clear results, so all our units are designed to minimize all possible errors. FITTED MOUTHPIECES: Specially designed mouthpieces keep outside air from mixing with and contaminating the sample. PRESSURE MONITORING: Built-in exhale monitoring helps prevent “fooling” the system with a diluted air sample." FROM THE MANUFACTURER The AlcoHAWK Ultra Slim contains advanced semiconductor sensor technology and is one of the smallest units in the AlcoHAWK series of personal breathalyzers. In fact, the Ultra Slim is 20% smaller overall than the original Slim. Operating on a single button, simply blow into the folding mouthpiece for an accurate BAC reading in seconds. The AlcoHAWK Ultra Slim also includes removable mouthpiece covers that allow you to test multiple individuals in a sanitary fashion. The sleek design also makes the AlcoHAWK Ultra Slim very compact and easy to carry for personal use. It is the ideal solution for someone looking for a portable tester with professional quality with a consumer design and feel, and an excellent choice for personal testing and screening of guests and family at social gatherings. The AlcoHAWK Ultra Slim contains an electronic airflow sensor to ensure the user continues to blow through the unit. This is a vital new function because only samples of air from the deep lung are proportionate to blood alcohol content. This new innovative sensor ensures the user exhales through the mouthpiece over the 4-5 second exhale. This is an important feature for professional screening to prevent an intentional short exhale which could affect accuracy.The Ultra Slim also contains a software upgrade to allow the unit to track if an even alcohol concentration is detected in the sample. This cutting-edge technology provides another method of ensuring breath sample integrity. The AlcoHAWK Ultra Slim includes three mouthpieces, owner's manual, and a quick start guide. The AlcoHAWK Ultra Slim is pre-calibrated in the USA prior to shipment and is FDA 510(k) Cleared and DOT Cleared as a Breath Alcohol Screening Device. The Ultra Slim is DOT cleared and has obtained FDA 510(k) pre-marketing clearance. Just blow into the Ultra Slim to measure your BACADDITIONAL ALCOHAWK FEATURES A: Folding Mouthpiece Design – Mouthpieces are absolutely necessary to focus the deep lung breath sample over the sensor and obtain the most accurate results. With the innovative folding mouthpiece design you can have the best of both worlds - no ambient air skewing the test results and no need to buy additional mouthpieces. If needed, additional mouthpiece covers are available for sanitary testing of multiple people. B: Wide Test Range & Easy-to-Read LED Display – The Ultra Slim has a wide test range, measuring Blood Alcohol Content from .00 - .40%BAC. The crisp Ruby-Red LED display makes test results easy to view any time of day or night. On-screen instructions guide users when to wait and when to blow. C: One-Button Operation for Fast and Easy Testing – Simply push the power button and begin testing in seconds. D: Sleek Design – The Ultra Slim boasts rounded corners and a great black finish. The Ultra is small and portable, making it ideal to take anywhere. Easily fits into a pocket, purse or glove compartment. ALCOHAWK COMPARISON CHART Slim / Ultra Slim BASIC Elite Slim STANDARD ABI STANDARD PRO PROFESSIONAL PT500 PREMIUM Sensor Semi-Conductor Semi-Conductor Semi-Conductor Semi-Conductor PT Core Fuel-cell BAC Range .00 - .40% .00 - .40% .00 - .40% .00 - .40% .000 - .400% Measurement Unit %BAC %BAC %BAC %BAC %BAC; mg/L or ‰BAC Display Ruby Red LED Blue Back-Lit LCD Ruby Red LED Ruby Red LED Orange Back-Lit LCD Power Supply 2 AA Batteries 2 AA Batteries 9V Alkaline 9V Alkaline 2 AA Batteries Warm Up Time 30-45 Seconds 1 30-45 Seconds 1 20 Seconds 1 20 Seconds 1 10-20 Seconds 1 Dimensions Slim - 5 x 1.75 x .75 in Ultra Slim - 4.75 x 1.75 x .75 in 4.5 x 1.63 x .75 in 4.72 x 2.36 x .98 in 4.72 x 2.36 x .98 in 5 x 2.63 x 1.25 in Weight Slim - 1.8 oz (51g) Ultra Slim - 1.7 oz (48g) 1.6 oz (46 g) 5.44 oz (154g) 5.44 oz (154g) 3.7 oz (105g) Accuracy ±0.01% @ 0.02% Solution 2 ±0.01% @ 0.02% Solution 2 ±0.01% @ 0.10% BAC 2 ±0.01% @ 0.10% BAC 2 ±0.01% @ 0.05% BAC 2 3 3 5 5 10 FDA 510(k) Cleared DOT Cleared Deep Lung Air Sample Auto Shut Off Breath Sensor Enhanced Breath Sensor Temperature Display Test Counter Adjustable Air Sample 1. Estimates, results may vary. 2. Read owner's manual before use to understand proper use, accuracy limitations, and calibration requirements. 3. This device is not to be used to determine if the subject is legal or able to operate any equipment or vehicle.The AlcoHAWK Slim Ultra contains software upgrades to allow the unit to track if an even alcohol concentration is detected. This technology provides another method of ensuring breath sample integrity. The sensor ensures the user exhales through the mouthpiece over 4-5 seconds. This important feature for professional screening is to prevent an intentional short exhale which could affect accuracy. The AlcoHAWK Slim Ultra contains an electronic airflow sensor to ensure you continue to blow through the unit. This is a vital function; only samples of air from the deep lung are proportionate to BAC. The Ultra Slim is equipped with a clear Ruby Red LED 2-digit display and is pre-calibrated in the USA before shipment. The folding mouthpiece allows for portability and attach 3 included mouthpieces. The AlcoHAWK Ultra Slim breathalyzer is highly accurate and affordable breath alcohol screening devices. Features a sleek design, size of a cell phone, made of high quality impact resistant material.Best Sellers Rank: See Top 100 in Health & Household. : B002QECE3Y. Manufacturer: AlcoHAWK. Date First Available: September 25, 2009. Batteries: 2 AA batteries required. Item model number: Q3I-2800. Product Dimensions: 4.75 x 0.75 x 1.75 inches; 3.99 Ounces. Is Discontinued By Manufacturer: No.