• Three-level indoor environment comfort display 

• The indoor temperature test range is 0-70℃, detection period:10 seconds. When it is not in the temperature detection range, LL.L is displayed. When the temperature is lower than the temperature range (at the same time 0.5Hz frequency is flashing display), and HH.H is displayed when the temperature is higher than the temperature range (at the same time 0.5Hz frequency is flashing display) 

• Indoor humidity detection range: 20%-99%, detection period: 10 seconds. When it is not in the humidity detection range, LL is displayed below the humidity detection range (at the same time 0.5Hz frequency flashing display), and higher than the humidity detection range is displayed HH (at the same time 0.5Hz frequency flashing display) 

• Indoor temperature and humidity change trend indication 

• Indoor temperature and humidity maximum/minimum values on the same screen data display, intuitive view 

• Indoor temperature and humidity memory function button selection function 

• Indoor temperature, humidity upper and lower values exceed limit alarm function

Specification:

• Temperature resolution: ±1℃

• Temperature measurement accuracy: TS-9909-W, TS-9909-B