PEHTIY Breathalyzer, Alcohol Tester UK Breathalysers with 20 Mouthpieces, Professional Dual Sensor Digital Breathalyzer Portable Breathalyser Home Personal Professional Use

【Fast and high-precision sensor】Breathalyzer Features both air‑pressure and semiconductor sensors for highly accurate BAC readings, delivering faster response and higher precision than single-sensor breath testers. There is 3 unit measurement to choose - %BAC, ‰BAC, mg /l.
【Easy to use】Alcohol Tester Just insert the 3* AAA batteries, wait ~10 seconds warm-up, then blow steadily into the mouthpiece for 3–5 seconds. The LCD screen displays results instantly with colour-coded alert (green/yellow/red) for intuitive reading. Ideal for pre-driving checks or personal safety monitoring.
【Auto-Alarm Function】When Breathalyser 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. Tip: Wait at least 20 minutes after drinking before using for optimal accuracy.
【Breathalyzer with Counter】The breathalysers uk police approved can discretely be kept in the car or in a b