100% NEW.
Display temperature, humidity and time simultaneously
system selectable
oC / o F unit selectable
Integral-hour alarm function
Alarm function
Clock & Calendar function (month and date )
Memory of MAX & MIN measuring value
12-hour / 24-hour displaying
Desk-top placing or Wall Hanging


Temperature range: -50~ + 70 ‘C ( -58 ~ +158 ‘F )
Humidity range: 20%~90%RH
Resolution:
temperature: 0.1 ‘C ( 0.1‘F)
humidity: 1%RH
Power supply: 1.5V ( AAA size ) X 1(not include)
Accuracy:
temperature :± 1 ‘C ( 1.8 ‘F )
humidity :± 5 RH ( 40% ~ 80% )
Product dimension: 98 x 105 x 23mm
Storage condition: -20 ‘C ~60 ‘C , 20~80%RH  
Weight : 115g