C-6880N Digital Breath Alcohol tester C-6880S Digital Breath Alcohol tester W/Backlight Features: Sensor: Semiconductor alcohol sensor Warm-up time: Within 10 seconds Respond time: Within 5 seconds Operating temperature range: 5 ~ 40°C. Detection range: 0.000% - 0.199% BAC / 0.000 -1.990 BAC / 0.000- 0.995 mg/l Digital display results (% BAC / BAC / mg/l) Quick response and resume Auto power-off Orange-colored backlight (for 6880S only) Low voltage indicator Power input: 3V (2 x AAA alkaline battery, not included) Print size: 25 x 13 mm