Most people think it is temperature fluctuation that causes damage to an acoustic piano when in fact it is actually the humidity that has the biggest impact! Most piano manufacturers recommend keeping pianos between 40-60% relative humidity, although extreme change and sudden variation even, within this range, should be avoided. This consideration is particularly important during winter and extended cold weather episodes when heated rooms can become extremely dry. We have now introduced our range of special piano 2 in 1 hygrometer and thermometer for you complete peace of mind.
 
Comfort Level Indicator: The home indoor thermometer has 3 types of smile icons that simultaneously display different temperature and humidity levels, it allows you to keep an eye on your  home at a glance. 
Accurate and fast response: The indoor air thermometer allows air flow to flow through the ventilation holes and gives you fast and accurate data over time, it measures the temperature range from -50 to 70 degrees Celsius and humidity ranges from 10 to 99 percent relative humidity, so you can adjust the heating or humidifier base on temperature and humidity readings. 
Easy to read: The large clear digits of the desktop indoor hygrometer are easy to read on the LCD screen; In addition, it has a stand, magnetic stand and a mounting slot on the back, allowing you to place it virtually anywhere. You can switch between Celsius or Fahrenheit display at will; the home indoor thermometer can make your indoor air temperature or humidity data clear at a glance. 
Low energy consumption: Thanks to the low energy consumption display, the room termometer can operate for at least one and a half years; thanks to the combination of the humidity display and the air comfort indicator, you are simultaneously informed of the humidity level and the temperature of the room. 
Quick Refresh: The digital indoor thermometer refreshes every 10 seconds to keep you up to date with the latest changes in temperature and humidity readings.