Non-contact breathalyzer, live voice broadcast. For drunk driving Intelligent alcohol tester - Voice model. A of high-precision sensors, more powerful central processing unit multi-person investigation is easy to control: -fast sensitive components test more accurate and sensitive. Let's test it with precision, Built-in H13 high efficiency filter: Filter impurities from the gas Just leave the alcohol. It's more accurate. FPGA intelligent and efficient Integrated chipset: Designed for overnight wine, stable and anti-interference Intelligent and accurate measurement, presenting accurate values. Push-cap design Prevent air outlet pollution: Prevent oxidation of the detection device and protect the air blow port clean to continuous accurate detection. Cavity whistle Live voice broadcasting: Loud whistles, human voices, no guessing numbers. Blowing time:10 seconds(usually 3-5 seconds) Transducers:High sensitivity semiconductor gas sensor Response time:Less than 5s Product size:110x27x21mm Preheating time:15 seconds Power Supply:Type-C Charging port Color:As Shown Material:ABS Package Contents: 1set * C09 Non-Contact Breathalyzer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.