Carry and use anywhere: This portable noncontact alcohol tester is designed for convenience and lets you check your sobriety levels wherever you need to. LED display: The userfriendly LED digital display provides quick, clear readings for accurate results. Rechargeable and efficient: Powered by a builtin rechargeable polymer lithium battery, this device delivers up to 300 tests on a single charge for extended use. Userfriendly indicator lights: A threecolor LED indicator system clearly signals when it is safe to drive or if caution is needed. Compact and portable: Designed for easy carrying in a bag or pocket, you can keep it with you for onthego checks. Hygienic, noncontact testing: The noncontact design reduces hygiene concerns and makes it simple to use with others. Performance and reliability: Delivers straightforward, dependable readings with a simple interface for everyday use. Use scenarios: 1) After social events at home or out with friends, quickly check if it is safe to drive before getting behind the wheel. 2) Before leaving work or a construction site, verify you are within safety guidelines for vehicle operation or machinery use. 3) While traveling, keep the device handy to confirm sobriety before boarding a taxi, rideshare, or other transport. Specifications at a glance: Noncontact alcohol tester, LED display, builtin rechargeable polymer lithium battery, up to 300 tests per charge, threecolor LED indicator.