Functions: Alcohol test, temperature, 1. Alcohol test: Range: Low & 0.2 ~ 1.50 %obac, hi Alert level calibrated:0.2; 0.3; 0.5; 0.8%obac Cycle time: About 16 seconds 2. Temperature: Temperature range: -10 degree of celsius~70 degree of celsius With temperature alarm 3. Calendars Display: Year, month, day, week, hour, minute, second