TASI TA621A Digital Dew Point Thermometer Ambient Temperature Humidity Gauge 1. Ambient temperature range: -20-60 degrees Celsius -4-140 degrees Fahrenheit; accuracy: about 1.5 degrees Celsius about 3 degrees Fahrenheit 2. Relative humidity range: 0-100% RH; accuracy: about 5% RH (20-80%RH) 8% RH (other ranges) 3. Wet bulb temperature range: -20-60 degrees Celsius (-4-140 degrees Fahrenheit); accuracy: about 1.5 degrees Celsius about 3 degrees Fahrenheit 4. Dew point temperature range: -20-60 degrees Celsius (-4-140 degrees Fahrenheit); accuracy: about 1.5 degrees Celsius about 3 degrees Fahrenheit 5. Display: four-digit display, up to 9999 6. Sensor: SHTC3 7. Sampling rate: 8 timessecond 8. Update speed: 3 timessecond 9. Automatic shutdown: 10 minutes (can be turned off manually) 10. Operating environment: -10-50 degrees Celsius, relative humidity within 80%, indoor altitude less than 2000m 11. Storage environment: -10-50 degrees Celsius, relative humidity within 70% (take out the battery) 12. Power supply: 3 x 1.5V AAA (R03 LR03) (not included) 13. Display size: about 37 x 41mm 14. Size: about 152 x 55 x 33mm 15. Weight: 125g Features: 1. Four kinds of parameter measurement, ambient temperature, ambient humidity, dew point temperature, wet bulb temperature, can display two lines of data at the same time 2. High-precision temperature and humidity sensor, with fast sampling rate and update speed 3. Upper lower limit over-limit reminder: When the measurement is higher or lower than the set threshold, there will be a buzzer alarm sound and the alarm indicator light will flash 4. High-definition large-screen display with white background light on the display Package list: - Host x 1 - Cloth bag x 1 - Protective cover x 1 - Instructions x 1