Indoor temperature and humidity monitor with perpetual calendar

Product Description Fangrui Product Details 1. Indoor Thermometer and Hygrometer with Perpetual Calendar 2. Temperature Range: -20~60 degrees Celsius (-4~140 degrees Fahrenheit), Error: ±0.5 degrees Celsius 3. Humidity Range: 10%~10% relative humidity, Error: ±10% relative humidity 4. Temperature and humidity refreshed every 10 seconds 5. Comfort Level: Displayed with orange, green, and blue bars. When humidity is less than or equal to 1, the triangle indicates dryness; when humidity is greater than or equal to 1 and less than or equal to 1, the triangle indicates comfort; when humidity is greater than or equal to 1, the triangle indicates humidity. 6. Displays time (AM/PM: in 12-hour format, not 24-hour format), date, and day of the week on the same screen; 7. Function buttons: three in total: Set, +Fahrenheitcelsius (increase, Celsius/Fahrenheitcelsius conversion), -1224 (decrease, 1224-hour format); 8. Power supply: powered by two CR2032 batteries (included) connected in parallel, doubling standby time. 9. Shell Material: ABS Engineering Plastic 10. Product Dimensions: 93 x 73 x 19 mm 11. Display Screen Dimensions: 76 x 51 mm 12. Installation Method: Stand Hanging/Magnetic 13. Net Weight: 72 grams 14. Instructions for Use: 15. After powering on the product, press the SET button; the date digits will flash. Use the "+" or "-" buttons to adjust the values. After adjustment, press the SET button again to adjust the year, month, and day respectively. After adjusting one item, press the SET button to confirm. After adjusting the next item, finally adjust the hour and minute of the time, then press the SET button to exit. 16. Temperature, humidity, comfort level, time, date, and day of the week are displayed on the same screen. The numbers are clear and easy to understand. 17. Add a Celsius/Fahrenheit conversion button. Pressing the SET button increases the temperature; pressing this button alone switches between Celsius and Fahrenheit. The -1224 (decrease, 1224-hour format) button decreases the temperature.