Test the alcohol content by yourself with our mini-size Alcohol Detector to have a healthy and safe life style. Test Yourself, Friends and Family With its small compact size and long using life, Portable Breath Alcohol Tester is perfect for testing yourself as well as your friends and family. Gain peace of mindand keep your loved ones safe with your alcohol content. Features: Digital LCD Screen Display Quick Response and Recovery Function Convenient and Safe Non-contact Expiratory Design Rapid Detect Results, Quick Response and Resume Through Direct Testing Process LCD Indication Auto Power-off Function, Power Saving (Battery Saved Design), Low Voltage Indication Specification: 1. Accuracy10% F.S 2. Alarm concentration0.24mg\/L(0.05%BAC0.5g\/L) 3. Sensor type:Nano Semi-Conductor Sensor 4. Voltage: 3V 5. Preheat Time: 15s 6. Weight: 0.14lb 7. Size: 0.35 x 0.25 x 0.08 inches 8. Color: Black 9. Power Supply: 3 AAA Battery (not included) Package: 1 * Breath Alcohol Tester 1 * Free 50 Pieces Mouthpieces 1 * User Manual Warm Tip: 1. After drinking, it is recommended to wait 20 minutes before testing, because alcohol takes about 20 minutes into the blood from the digestive organs, and residual alcohol in the mouth takes time to dissipate. 2. To get a more accurate result, the distance should be at least three minutes between each test. 3. Do not use benzene, gasoline and thinners cleaning product ingredients tester. 4. Do not allow any liquid penetrated into the sensor. 5. Please do not squeeze or smash this Breath Alcohol Tester. 6. To remind you, to you and the safety of others , do not drink and drive. [SMART DESIGN AND SIZE]--This alcohol screener will fit into almost every shirt- or pants pocket. You will have the ability to check the alcohol value in your breath everywhere. It is also a good companion for breast-feed motherswho want to know whether they can feed their children or not after drinking through measuring their BAC (Blood Alcohol Content). [SENSITIVE AND HIGH ACCURACY]--The will automatically warn you once the test result is above 0.05%BAC or 0.50BAC or 0.25mg\/L or 50mg\/100ml. It can also be used to test breast-feed mothers to make sure they can feed their babies. [EASY TO READ]--With blue LED display, it will be much easier for night viewing. It will be auto shut off to save power after you finished the test for 20 seconds. LCD screen flicker shows that it is in low battery. [FREE 20 PIECES MOUTHOIECES]--Alcohol breath analyzer come with free 20 pieces mouthpieces which are placed on the back of the device, and the mouthpieces can be cleaned and recycled. Will be much easier for your familyor friend to test. [EASY TO TAKE ANYWHERE]--It's small and easily fits in a purse or pocket. Test yourself and your friends, or the family. From individuals, parents and college students to dinner party hosts or bar employees, the Breath Alcohol Tester really is perfect for anyone looking for a quick, easy and reliable way to test their BAC.