Compact and portable - Made of durable ABS, this unit is compact and simple to take anywhere. Its sturdy construction supports everyday use while remaining easy to carry. Clear LED display - The LED display is clear, easy to read and understand, and delivers accurate test results at a glance. Quick visibility helps you make informed decisions fast. Safe and healthy - It is safer and healthier to blow air without contact in this drunk ride tester, which is suitable for testing even after a night of eating. Reducing mouth-to-sensor contact enhances hygiene and convenience. Emergency alert - Can be installed on the door to detect problems and trigger an emergency sound to ensure safety for you and your loved ones. The audible alert provides immediate awareness when action is needed. Practical use scenarios - On the go safety checks: Take it with you when leaving a party or meeting with friends to quickly assess alcohol levels before driving or riding. - Home safety and reminders: Place it near entryways or in common areas to encourage responsible decisions after gatherings or late nights. - Shared spaces and properties: Install on doors in offices, rentals, or multi-person households to provide a clear, non-contact test and an audible alert if needed.