Use of the environment: -10~+50C
display size: 40* 30
Basic Character:                              
· Two-tier LCD display         

· Operating voltage: 1.5V ( AAA )
· Max/Min temperature and humidity records      
· In/Outdoor temperature measure and indoor  
· Measuring temperature range:
   indoor: -10°C~50°C    

   outdoor: -50°C~70°C
humidity measure                                
· Freeze alert              

· Measuring humidity range: 20%~90%
· Deg °C/°F   switchable      

. Accuracy: ±1 °C, ±5%,       

· Display resolution: 0.1°C,1%
· Comfort indicators will display the level as comfortable, wet or dry.