1. Temperature range: -20~60 degrees Celsius (-4~140 degrees Fahrenheit), error: +/-0.5 degrees Celsius, the highest and lowest temperature within 24 hours;
2. Humidity range: 10~99%RH, error: +/-3%RH, maximum humidity and minimum humidity within 24 hours;
3. Temperature and humidity are refreshed every 10 seconds;
4. Comfort: Orange, green and blue color bars display. When the humidity is less than or equal to 29%, the triangle points to DRY; when the humidity is greater than 30% and less than or equal to 70%, the triangle points to COMFORT; when the humidity is greater than or equal to 71%, the triangle points Point to WET;
5. Function buttons: three in total, Celsius/Fahrenheit conversion, CLEAR-restart, ON/OFF-switch on and off;
6. Power supply method: Use two CR2032 batteries (included) to supply power in parallel, doubling the standby time;
7. Shell material: ABS engineering plastic
8. Product size: 93 x 73 x 19mm
9. Display size: 76 x 51mm
10. Placement method: bracket/suspended/magnet adsorption
11. Net weight: 72 grams

Instructions:
1. Place the battery correctly into the battery compartment and power it on. No settings are required;
2. Display temperature, humidity and comfort level on the same screen, the numbers are clear and clear at a glance;
3. Press the CLEAR key to restart the thermometer and press the Celsius/Fahrenheit key to convert from Celsius to Fahrenheit.