Features 1、Built‑in semiconductor sensitive sensor, which can accurately display the level of BAC. 2、High accuracy, provides accurate measurement results, with LCD digital display, easy to read. 3、15s warm‑up time, support automatic alarm, quick and sensitive response. 4、Pocket breathalyzer, lightweight and space saving, easy to maintain and carry. 5、Energy saving, the power will be automatically turned off 5 seconds after the test finished. Specification Item Type: Breathalyzer Material: ABS Size: Approx. 12 x 4.5 x 1.8cm/4.7 x 1.8 x 0.7in Range: 0.00%-0.19% BAC (0.0-0.19g/L) Accuracy: -0.01%-0.02% To 0.05%BAC Power Supply: 2Pcs AAA 1.5V Alkaline Batteries (Not Included) Warm-Up Time: 15 Seconds Response Time: <5s Working Temperature: 5℃-40℃ Package List 1 x Breathalyzer 10 x Blow Tube 1 x Cloth Bag 1 x Manual