Clear LCD display with backlit readability allows easy reading of alcohol levels in any lighting. Rechargeable polymer lithium battery powers up to 300 tests on a single charge, enabling extended use between charges. Fast and reliable results with quick check mode and automatic detection for efficient and accurate testing. Intuitive threecolor LED indicator communicates the alcohol level at a glance: red for driving not recommended due to impairment, yellow for caution, green for sobriety. Compact handheld design with durable construction for portable use at home, in the car, or in the workplace. Standalone device requiring no external accessories, ready to use out of the box. Use scenario 1: After social events at home or with friends, quickly assess whether it is safe to drive, or if you should arrange an alternative means of transportation. Use scenario 2: In a company safety program or fleet operation, screen drivers before shifts to ensure policy compliance and reduce risk. Use scenario 3: At gatherings or celebrations, monitor impairment levels to make informed decisions about continuing participation or selecting a safe mode of transport.