Feature:1. Basic Parameters: The alcohol tester has an operating time of 10s warm up, a response of <5s and a test range of 0.00%0.19% BAC (0.01.9g/L).2. Lightweight and Compact: Made from excellent ABS material, this alcohol tester is compact and convenient, with a blowing design for quick response and recovery with selectable alarm points.3. Automatic Switch Off: This alcohol tester provides a digital display of alcohol concentration results with a beep and an automatic switch off function to save power.4. Complete with 5 Mouthpieces: This alcohol tester has interchangeable mouthpieces and comes with 5 mouthpieces to ensure that the device is always hygienic and ready to use when you need it.5. Easy to Carry: This alcohol tester can be carried around with you. Perfect for drivers, law enforcement officers and anyone who wants to make sure they drive or work safely.Specification:Item Type: Alcohol TesterMaterial: ABSTwo Unit Display: %BAC and g/LBattery: 2 x 1.5V AAA alkaline batteries (not included)Sensor: High sensitivity semiconductor alcohol sensorTesting Range: 0.00 to 0.19% BAC (0.1 to 1.9g/L)Alcohol Content: -0.01 to +0.02% BAC (0.05% BAC alarm point)Pre Warming Time: 10 secondsResponse time: <5 secondsAuto Shut off: SupportedSize: Approx. 118 x 70 x 28mm / 4.65 x 2.76 x 1.1i.Package List:1 xAlcohol Tester5 x Test Mouthpiece (one on the tester)1 x Instruction Manual