LAIJINYIKEJI Breathalyzer & Alcohol Tester with Two Sensors, Professional Promille Meter with Digital LCD Display, Portable Alcohol Meter for Personal and Professional Use, with 20 Mouthpieces

【2025 upgrade & dual sensor technology】Our air pressure sensor and semiconductor sensor alcohol tester can provide twice the accurate value of traditional equipment.Ideal for drivers. 【Automatic cleaning function】this device automatically starts high temperature mode to remove residual alcohol. Protect internal components for more accurate results and longer service life. 【Easy to use】 After preheating for 10 seconds, "Please Blow" will prompt you to measure. After 3-4 seconds, the bubble displays color results: 0.03% in green, 0.03% in yellow, 0.08% in red and 0.08% in alarm. 【Bilingual】English (%BAC&G/L) and Japanese (mg/L) are supported. Double-click the power button to switch the unit of measurement-the voice output will be adjusted automatically. 【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.