1. Sensor: Advanced flat surfaced alcohol sensor2. Warm-up time: Within 10 seconds3. Respond time: Within 5 seconds4. Operating temperature range: 5~40 â5. Detection range: 0.000-0.199% BAC / 0.00-1.99‰ BAC / 0.00-0.99 mg/L6. Digital display results (% BAC / ‰ BAC / mg/L)7. Quick response and resume8. Auto power-off9. Mouthpiece10. Sensor fault self checking11. Blue-colored backlight 12. Low voltage indicator 13. Power input: 3V (3 x "AAA" alkaline battery, not included)14. Unit size: 112×61×29mm