Item Type: Breathalyzer <br>Material: ABS <br>Color: Black <br>Size: Approx. 102x28x20mm/4x1.1x0.8in (Please allow 1?2mm difference due to manual measurement.) <br>Type of Wine Sensors: Hemiconductor <br>Response Time: ≤ 20s <br>Measuring Range: 0-19% BAC 0-1.9g/l <br>Indication error: ± 0.01% BAC <br>Operating Temperature Range: - 5-45℃ <br>Blowing Continuity Test: 5 seconds (flow rate: ≥ 10L / min) <br>Built in Polymer Lithium Battery: Battery Capacity: 200MAH <br>Display: LCD display <br>Alarm Mode: Buzzer <br>Meaning of Indicator Light: <br>Green: Undrinkable state <br>Orange: Drinking state <br>Red: Drunk state <br>Charging Mode: DC 5V 1A, Micro 5p interface <br>Using Steps: <br>1. Slide down the switch to display the WARM UP logo and blow for 10 seconds <br>2. Display the BLOW sign and start blowing <br>3. Display the RESULY sign to read the value <br>4. Display OFF sign, shut down with 2 beeps<br>1、High?sensitivity wine sensor, the detection result is accurate and fast, without waiting too long. <br>2、With compact shape, not taking up much space, light weight, easy to carry and easy to use. <br>3、Low power consumption, it will automatically shut down if not used for a long time to avoid wasting power. <br>4、Backlit LCD screen, 3 kinds of indicator light indicates the test result, green means undrinkable state, orange means drinking, red means drunk. <br>5、Dust?proof design, sliding upward to close the air inlet, can be used for a long time.Please allow 1?2mm difference due to manual measurement.1 x Breathalyzer<p>1 x Data Cable</p><p>1 x Manual</p><p>1 x Storage Bag</p>