The item also offers the current Date and Day at the push of button, along with Max and Min temperature readings, perfect for home or office. Shell material: durable hard plastic. Good quality temperature & humidity meter. Can show temperature, humidity & time at same time on the large LCD display, for easy to read. Memory of MAX & MIN measuring value. 12-hour and 24-hour displaying system selectable. Fahrenheit or Celsius readout (changeable by selecting F or C on back). Integral-hour alarm function. humidity meter Alarm function. Clock and Calendar function (month and date). hygrometer temperature humidity meter Desktop placing or wall hanging.