Feature:1. An instrument that analyzes the concentration of alcohol in the blood anytime and anywhere2. Non-contact use, no need to accompany breathing mouth, more convenient to use3. With key chain design, small size, easy to carry4. The breath alcohol tester uses advanced semiconductor alcohol sensor to quickly and accurately detect the breath of alcohol5. With battery saving design and low voltage indication6. The test value is directly displayed on the LCD, and the reading is easy and simple.7. Audio and visible warnings exceed preset limitsSpecification:Item Type: HT-611 Digital Alcohol TesterDetection Range: 0.000-0.20% bac & 0.0 -1.9 g / lAccuracy: 0.05% + /--10% bacPre-set Limit: 0.05% alcohol contentOperating Time: Warm up 15-30sResponse Time: <5sAutomatic Shutdown: About 1 minuteBattery: 1.5V AAAx2 (not included)Size: Approx. 50 x 105mm / 2 x 4.1in.Package List:1 x HT-611 Digital Alcohol Tester1 x Nylon Rope1 x User ManualNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.