A personal breathalyzer for alcohol. Help friends and family make better decisions while drinking with the accurate and affordable alcohol Breathalyzer.<br><br> <b>Portable Breathalyzer Specifications:</b> <br>Brand Name: COCOCK<br><br> Detection range: 0.00% -0.19% BAC; 0.00-0.99 mg / l<br><br> Alert Level: (Optional) 0.05% BAC; 0.50 ‰ BAC; 0.25 mg / l; 50mg / 101ml<br><br> Accuracy: -0.01 - + 0.02% BAC <br><br> Warm-up time: less than 20s<br><br> Response time: less than 5s<br><br> <b>Powered by: 3 AAA batteries (not included)</b><br><br> Working temperature: 10° - 50°<br><br> <b>Package Content:</b> <br><br> 1 x 1 x Breathalyzer to Test Alcohol<br><br> <b>5 x mouthpieces, on the back of the breathalizer.</b><br><br> 1 x user manual<br> <br><br><b>Common questions and answers：</b> <br><br>Q: How many Mouthpieces i will get? Where? <br>A: total 5. The mouthpieces were hidden inside of the unit.On the back of the alcohol tester<br><br>Q:How long can I test after I drink? <br>A: After 20 minutes, because it takes about 20 minutes for the alcohol to be absorbed from the digestive into the bloodstream. <br><br>Q: After how long can the alcohol tester be used for the next test? <br>A: The test time should be after 3 minutes from the last test. <br><br>Q: Do you have to wait for this breathalyzer to warm up ? <br>A: Yes, you do, there is a "warm up'' period after 15 seconds, which beeps and shows ''blow''....then you can blow. <br><br>Q: Only worked 2 months then died, what should i do? <br>A: This usually happens because the battery is dead, try to replace the battery. If there is still a problem, contact us and we will help you solve the problem. <br><br><b>Note:</b><br> The outer color of the product is relatively dark, but it is definitely not used by anyone. The protective film on the surface of the alcohol tester can be removed, we only sell Brand new, high quality products in good condition.