<p>Features:</p> <p>1. Built in purification room to purify impurities and leave only alcohol;to avoid bacterial growth in the blowing tube, not in contact with blowing, more accurate detection, and healthier measurement</p> <p>2. Clear and easy to read high-definition color screen</p> <p>3. Detection indicator: Three color indicator light, clear at a glance</p> <p>4. Intoxication alarm voice reminder</p> <p>5. Rechargeable lithium battery with long-lasting battery lif</p> <p>Specifications:</p> <p>Product Name: Portable Alcohol Tester</p> <p>Sensor: high-precision sensor</p> <p>Test range: 0.000-0.199% BAC</p> <p>Material: ABS</p> <p>Power interface: Type-c charging interface</p> <p>Charging input: DC 5V</p> <p>Size: L * W * H 100*28*17mm</p> <p>Battery capacity: 200mAh</p> <p>Operation process:</p> <p>In order to obtain accurate test results. Test after drinking compatible with 20 minutes.</p> <p>Preheating mode: Press the button compatible with 1 second to turn on, backlight, and display Light-up at the same time, displaying all contents, and \</p>