Feature 1Builtin semiconductor sensitive sensor, which can accurately display the level of BAC. 2High accuracy, provides accurate measurement results, with LCD digital display, easy to read. 315s warmup time, support automatic alarm, quick and sensitive response. 4Pocket breathalyzer, lightweight and space saving, easy to maintain and carry. 5Energy saving, the power will be automatically turned off 5 seconds after the test finished.Item Type: BreathalyzerMaterial: ABSSize: Approx. 12 x 4.5 x 1.8cm/4.7 x 1.8 x 0.7inRange: 0.00%-0.19% BAC (0.0-0.19g/L)Accuracy: -0.01%-0.02% To 0.05%BACPower Supply: 2Pcs AAA 1.5V Alkaline Batteries (Not Included)Warm-Up Time: 15 SecondsResponse Time: <5sWorking Temperature: 5-40 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xBreathalyzer10 x Blow Tube1 x Cloth Bag1 x Manual