Features:

-Display temperature, humidity and time simultaneously-Memory of MAX & MIN measuring value-12-hour / 24-hour displaying system selectable-ºC / º F unit selectable-Integral-hour alarm function-Alarm function-Clock & Calendar function (month and date )-Desk-top placing or Wall HangingNO backlight Specification: Temperature range: -50~ 70 ºC ( -58 ~ 158 º F )Humidity range: 20%~99%RHResolution:Temperature: 0.1 ºC ( 0.1º F)Humidity: 1%RH Accuracy: Temperature :± 1 ºC ( 1.8 º F )Humidity :± 10RH ( 40% ~ 80% )Power supply: 1.5V ( AAA size ) X 1Product dimension: 100 x 100 x 15mmWeight : appros.120gStorage condition: -20 ºC ~60 ºC , 20~80%RH Package Content: 1 x Temperature & Humidity Meter 1 x Manual