High Precision Digital Temperature Humidity Meter Environmental Temperature Meter 1. Ambient temperature measurement: - Measurement range: -20 to 60 degrees Celsius -4 to 140 degrees Fahrenheit - Accuracy: +-1.5 degrees Celsius +-3 degrees Fahrenheit - Display resolution: 0.1°C 1°F 2. Humidity measurement: - Measurement range: 0%RH - 100%RH - Accuracy: ±5%RH (within the 20-80%RH range); ±8%RH for other ranges - Resolution: 0.1%RH 3. Display: four-digit monochrome display, maximum display value 1999 4. Sensor: high-precision digital sensor 5. Sampling rate: 1 time per second 6. Functions: CelsiusFahrenheit switch, data hold, maximum value measurement, minimum value measurement, backlight, low battery alert (below 2.6V) 7. Auto-off: auto-shuts off after 15 minutes of inactivity (can be manually canceled) 8. Operating environment: -10 to 50°C, max. 80% relative humidity, indoor altitude below 2000m 9. Storage environment: -10 to 60°C, max. 80% relative humidity (recommended to remove batteries) 10. Power supply: 2 x 1.5V AAA batteries (not included) 11. Display size: about 30 x 30 mm 12. Size: about 15.8 x 5.6 x 2.8 cm 13. Weight: about 120 g Features: 1. Features a dual-row digital display that simultaneously shows temperature (Celsius or Fahrenheit) and relative humidity (%RH) 2. The probe tip is equipped with a grid-patterned protective cover and houses a high-precision digital sensor for rapid detection of ambient air 3. Data hold function allows for easy recording of readings in low-light conditions or at difficult viewing angles. 4. Backlit display, suitable for use in low-light environments 5. Battery level icon in the upper right corner alerts you when it’s time to replace the battery Package list: 1. Thermometer and hygrometer x 1 2. Pouch x 1 3. Instruction manual x 1