Easy to Read: Indoor Digital Thermometer and Humidity Monitor, 2 Free Batteries, Large Digital Display. Simple Temperature & Relative Humidity Meter

WINTER:

You need to keep the humidity above 30 % when the heat is on, the relative humidity in your house can become very low. This is because heated air can hold much more moisture than cold air. So, as the air in your home heats up, it becomes "thirsty" and begins sucking moisture out of surrounding surfaces: plants, walls, furniture, everything. Whenever we heat air we dry out the air to uncomfortable. By keeping the humidity above 30%, you can normally turn down your thermostat a few notches.

You need to keep the humidity level below 50 % when the relative humidity goes above 55 % Dust mites, begin rapidly multiplying. This can cause allergic reactions in sensitive people. Make sure to remember that the humidity levels of your house need to be within the 30-50% our temperature thermometer and humidly sensor will quickly let you know if you need to buy a humidifier and or dehumidifier Contents:

• 1 x Temperature and Humidity Monitor
• 2 x Batteries Included (one is a bonus)
• 1 x Bonus Battery For future Use
• 1 x User Manual

Warranty:
For any possible defective products, please contact us first, we will offer you a replacement or refund.