- EASY TO CARRY AND USE: This portable non-contact alcohol tester is designed for convenience and can be used anywhere you need to check your sobriety levels. - CLEAR LED DISPLAY: The user-friendly LED digital display makes it simple to read your alcohol measurements quickly and accurately. - RECHARGEABLE AND EFFICIENT: Powered by a built-in rechargeable polymer lithium battery, this device allows up to 300 tests on one charge for extended functionality. - USER-FRIENDLY INDICATOR LIGHTS: The device features an intuitive three-color LED indicator system that clearly signals when it's safe to drive or if caution is needed. - USE SCENARIOS: After a night out, use it to verify your sobriety before deciding to drive. While traveling or during outdoor activities, perform quick non-contact checks. In safety-sensitive environments, use it for a personal confirmation of sobriety before starting tasks or operating equipment.