Feature:1. 360‑degree rotating blowing port, it is very sensitive and his high accuracy.2. The cover design is safer and more hygienic, avoiding dust during storage.3. Multi‑air nozzle design, replaceable blowing nozzle, convenient for multiple people to use.4. The product is small in size, light in weight, does not take up space, and is easy to carry.5. Made of high‑quality materials, good stability, high accuracy and fast measurement.Spec:Condition:100% Brand New Item Type: BreathalyzerSensor: High-sensitivity semiconductor alcohol sensorTest Range: 0.000~0.199%BAC; 0.000~1.990‰BAC; 0.000~0.995mg/L(BrAC)Alarm Point: 0.050%BAC; 0.500‰BAC; 0.25mg/L(BrAC)Accuracy: ±0.010%BAC; ±0.010‰BAC; ±0.05mg/LResponse Time: <5 secondsWarm-Up Time: 10 secondsBlowing Time: Within 10 secondsWorking Environment: 5℃~40℃Battery: 2 x AAA battery (not included)Size: Approx. 7.9 x 5.9 x 1.2cm / 3.1 x 2.3 x 0.5inWeight: Approx. 58g / 2.0ozPackage List:1 x Alcohol Tester4 x Gas Nozzle1 x Manual