General Features:
-You can easily transfer between Fahrenheit (°F) and Celsius (°C) according to your needs, just using something like pin or needle to press the hole which beside C/F in the back of Mini Hygrometer Thermometer.
-Bright and black front panel with a clear LCD display, easy to read even from a far distance.
-Measures in every 10 seconds to provide a accurate humidity temperature measurement.
-Perfect for home, office, babyroom, greenhouse, humidors, car, schools, hotels, laboratories..etc.

Specifications:
Material: PVC plastic
Weight: 0.6oz / 16g
Color: Black
Humidity Range :10%~99%RH
Humidity Accuracy: ± 5%
Humidity Display Resolution: 1%RH
Temperature Range :-50 to 70°C
Temperature Accuracy: ± 1°C
Temperature Display Resolution: 0.1°C
Install Panel Hole Size: D42mm
Operating Voltage: 1.5V, one button cell size LR44
Size: 1.8x1.8x0.5in / 4.5x4.5x1.5cm

Package included:
5 x Mini Hygrometer Thermometer