precision sensor Equipped with advanced technology to deliver fast and accurate alcohol concentration readings. This enables you to monitor your intoxication level efficiently before driving or operating machinery, supporting enhanced safety. LED display with backlight A bright digital screen with backlight shows realtime results clearly in lowlight or nighttime conditions, making it easy to read your BAC at a glance. Audible and visual alerts Builtin sound and light warning system triggers when alcohol levels exceed preset safety limits, providing immediate notifications to help prevent risky decisions such as impaired driving or workplace accidents. USB rechargeable convenience Rechargeable lithium battery and USB charging port for fast, ecofriendly replenishment, reducing the need for frequent battery replacements and making it suitable for travel and onthego use. Practical use scenarios After social events or parties, check if you are within a safe limit before considering driving. On worksites or in environments with alcohol policies, verify compliance to avoid safety risks or policy violations. While traveling or engaging in outdoor activities, use the device for quick, portable BAC checks before operating vehicles or machinery.