· Size: 135*75* 19mm
· Display size: 51* 41mm
· Three-tier LCD display  
· Indoor Outdoor Temperature measuring            
· Temperature measuring range: -20°C~+50°C
· Data/ Time, Week/ Second display
· °C\°F conversion                    
· 12/24 hour conversion                
· Display resolving: 0.1°C
· Max/Mintemperature display
· 1.5V operate(AA)      
· Use of the environment: -10~+50C