Description: 【Design】: This indoor thermometer hygrometer meter is equipped with an intelligent temperature and humidity , provides real time PM2.5 air quality, allowing you to display air quality anywhere 【Material】: Made from PP materials, this electronic thermometer meter is sturdy, design for long term use 【Wide Measurement Range】: The digital hygrometer measures temperatures ranging from 10~40°C(32°F~+122°F), while the hygrometer measures humidity levels from 20%~30%RH 【LED Display】: The large numbers on the LED screen provide real time temperature/humidity readings, allowing you to easily understand the conditions in your home at a glance. 【Easy to Use】: You can switch between Celsius or Fahrenheit on this humidity meter, making it convenient to use. Compact size is suitable for home, bedroom, nightstand, living room, shelf, fireplace, office, garge, basement and other palces Specification: Material: PP and Electronic Component Temperature range is 10~40°C(32°F~+122°F), Humidity level range is 20%~30%RH Working current: 60 - 110mA Input voltage: 5V ± 0.25V DC Input current: 500 ± 25mA Size Chart: 8.6cmx4.8cmx4.9cm/3.39inchx1.89inchx1.93inch Package Includes:  1 Household Thermometer Meter