1. Semiconductor alcohol sensor.
2. Detection range: 0.000~0.199% BAC, 0.000~1.990% BAC, 0.000~0.995 mg/L.
3. Digital display/ auto power-Off/ low voltage indicator.
4. Real time/ alarm clock/ countdown timer.
5. Quick response and resume.
1. Warm-up time: within 10 sec. 2. Respond time: within 5 sec. 3. Operating temperature range: 5~40°C. 4. Power input: (1) Tester: 3V (2xAAA battery, not included). (2) Clock: 1.5V (1xAG13 cell button, included). 5. Unit size: 100x37x18 mm. 6. Print size: 25 x 20 mm.