Memory of MAX & MIN measuring value; 

12-hour / 24-hour displaying system selectable; 

 ºC / º F unit selectable; 

with inner and external senser; 

Alarm function; 

 Clock & Calendar function (month and date ); 

 Desk-top placing or Wall Hanging; 

 Temperature range: -50~ + 70 ºC ( -58 ~ +158 º F ); 

 Humidity range: 20%~99%RH; 

Temperature :± 1 ºC ( 1.8 º F ); 

 Humidity :± 10RH ( 40% ~ 80% ); 

 Power supply: 1.5V ( AAA size ) X 1; 

Product dimension: 100 x 100 x 15mm; 

 Weight : appros.125g; 

Storage condition: -20 ºC ~60 ºC , 20~80%RH;