Compact and portable, high alcohol tester. Quick investigation, seconds out of the results, specially test overnight wine, voice broadcast, can be multiple continuous detection, high-definition large screen. It is widely used in many fields, small and portable. You can tell if you're driving under the influence. Take a test before driving and refuse to drink and drive. A small puff of air can accurately detect alcohol consumption. Big clear screen, wine flashing reminder. The machine detects alcohol and lights flicker to signal the drunk driver. or equal to 20mg/100mL for drunk driving, or equal to 80mg/100mL for drunk driving. Self-developed gas sampling control system. According to the characteristics of the digital sensor, we have developed a gas extraction control system, which can automatically detect and control the blowing distance, blowing pressure and blowing time to the accuracy and stability of the test results. Type-C charging port, easy and fast charging. Upgrade Type-C charging port, charging bank, USB port, charger can be , effectively solve charging anxiety. Small and compact, easy to carry: delicate and portable, easy to store. Colour:Black Material:ABS Package Contents: 1 * Digital Alcohol Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.