marevic 717621852997 Bp Monitor  (Black)

【High precision tests】This alcohol tester adopts advanced flat alcohol sensor, excellent sensitivity, more convenient for personal use. If the alcohol content exceeds the preset limit, This device will send video heating to remind you of your safety. Ideal for drivers. 【Easy to use】Just insert the 3* AAA batteries, then need to press the button for seconds to start, and 10 seconds to warm up, then blow for 3-5 seconds, the result will be shown on the LCD screen later. There is 3 unit measurement to choose %BAC, ‰BAC, mg /l, simply double-click the switch. (Batteries are NOT included) 【Auto-Alarm Function】When the test result is greater than 0.2 g / L, 0.03 % BAC, or 0.15mg / L, the indicator light of the alcohol detector will change to inform you so that you can make a better judgment. 【20 Interchangeable Mouthpieces】Alcohol Tester comes with 20 mouthpieces, the mouthpieces can be cleaned and recycled. Super compact design, breathalyzer fits in your pocket and is easy to hold and carry wherever you go. 【Tips】After drinking, wait 20 minutes to perform the test, the result will be more accurate. The readings of this product are for reference only and cannot replace professional medical or legal advice. Please always follow local drinking and driving regulations