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 Hanging

Specifications:

Indoor temperature: -10 Degrees Celsius To+50 Degrees Celsius (+14 Fahrenheit Degrees To +122 Fahrenheit Degrees)
Outdoor temperature: -50 Degrees Celsius +70 Degrees Celsius (-58 Fahrenheit Degrees To +194 Fahrenheit Degrees)
Indoor Humidity: 10%RH To 90%RH

Accuracy (Temperature): ±0.1 Degrees Celsius

Accuracy (Humidity): ±5%