【Dual Test Modes】 This alcohol tester is designed with dual detection modes for flexible use. The quick screening mode supports tool-free rapid detection to quickly judge whether alcohol is present. The precise detection mode with matched mouthpieces effectively filters air impurities, provides accurate BAC data, and supports accurate detection of overnight residual alcohol, covering all daily testing scenarios. 【Dual Alert System】 Integrated with HD LED display and three-color indicator lights, the test status is clear at a glance. Green light for safe non-over-standard status, yellow light for drunk driving warning, red light for serious drunk status. Paired with intelligent voice broadcast, it realizes dual visual and auditory reminders to avoid potential driving risks. 【Premium Filtration Design】 The built-in scientific purification compartment can filter various interfering substances in breathing air, effectively eliminate environmental interference, and accurately capture valid alcohol components. It greatly enhances detection stability and accuracy, achieving reliable and professional-level alcohol test effects. 【Type-C Charging】 Adopts universal Type-C cyclic charging design with excellent power storage performance and ultra-long battery life. It supports repeated charging and long-term recycling use, no need for frequent battery replacement. The durable and energy-saving design reduces daily use costs and is more environmentally friendly. 【Portable Full Kit】 With a mini size of 134*38*26mm, the lightweight body is easy to carry and store in pockets, car glove boxes and handbags. The package includes 10 hygienic mouthpieces for multi-person sharing and 1 Type-C charging cable. Featuring 15s preheating and 3s fast result output, the one-key operation is simple and friendly for all users.