YRHWS Breathalyzer & Alcohol Tester with 20 Mouthpieces, High Accuracy Detector Portable Breath LCD Display Digital Fast,

【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. ✅ Please look for store "EU NWDA" when buying, this shop is genuine. 【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) ✅ Please look for store "EU NWDA" when buying, this shop is genuine. 【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. ✅ Please look for store "EU NWDA" when buying, this shop is genuine. 【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. ✅ Please look for store "EU NWDA" when buying, this shop is genuine. 【Tips】✅ Please look for store "EU NWDA" when buying, this shop is genuine.✅ Please look for store "EU NWDA" when buying, this shop is genuine. ✅ Please look for store "EU NWDA" when buying, this shop is genuine.