HTC-1 Household Thermometer And Hygrometer Color Screen Weather Station Thermometer Electronic Clock Alarm 1. Time display: time (1224 hours), date (2000-2099) 2. Temperature display: switch between temperature and degrees Celsius 3. Alarmsnooze function: alarm can be set 4. Description of expression display: When the humidity is lower than 40%, it shows a dry and unhappy expression; when the temperature is between 20-25 degrees Celsius and the humidity is between 40%-69%, it shows a smiling face, which is comfortable. When the humidity is greater than or equal to 70%, no matter what the temperature is, it is a sad expression. When the temperature is not between 20-25 degrees Celsius and the humidity is between 40-60%, no expression is displayed. 5. Temperature measurement range: 0 degrees Celsius-50 degrees Celsius (32 degrees Celsius-122 degrees Celsius) 6. Voice-activated backlight function: Press the LIGHT button to turn on or off the backlight. You can also turn on the light by clapping your hands within 1 meter, or tap the table to turn on the backlight, and the light will turn off for 5 seconds. It is convenient for viewing time at night. 7. Size: 9.3x3.9x9.6cm 8. Humidity range: 10-99% 9. Humidity accuracy: +- 5% 10. Power supply: 2 x AAA batteries (not included)