Function: 1. Sensor: Semiconductor alcohol sensor 2. Warm-up time: Within 10 seconds 3. Respond time: Within 5 seconds 4. Operating temperature range: 5 ~ 40 ℃ 5. Detection range: 0.00% - 0.19% BAC 6. Digital display results (% BAC / mg/l) 7. Quick response and resume 8. Auto power-off 9. Red-colored backlight 10. Low voltage indicator 11. Power input: 1 x button cell (included) 12. Unit dimensions: 56 x 42 x 16 mm