Portable and compact design The LED Breath Alcohol Tester is built for easy portability and serves as a practical companion for parties, road trips, or gatherings. Its compact size of 108 x 35 x 2 mm fits easily in a pocket or bag, making it convenient to carry wherever you go. Userfriendly operation The device uses a straightforward interface that lets anyone quickly measure blood alcohol concentration with minimal effort. Simply blow into the device and you will receive results with clear voice prompts in both Chinese and English. Durable materials Constructed from ABS material, the tester is resistant to wear and deformation, designed to withstand regular use and provide longlasting performance. LED indicator lights A tricolor LED system (green, yellow, red) provides immediate visual indication of your alcohol level. Use scenarios At a party or social gathering: check your BAC before deciding whether to drive, call a rideshare, or designate a driver. On a road trip: monitor alcohol impact after meals or social events to plan safe driving breaks. After work or informal events: quickly assess whether it is safe to operate a vehicle or arrange alternative transportation. This device focuses on clear function, reliable materials, practical size, and usercentric features to support safe, informed decisions.