Features: Temperature and humidity display high and low setting. Temperature measurement range:-50C - +70C.Celsius-Fahrenheit switch display function. High/low temperature and humidity alarm function. Easy-to-read extra-large LCD screen provides quick, at-a-glance measurements. Equipped with foldable hook, which can be used for refrigerator and freezer rack or free standing, it is very portable and convenient. Specifications: Material:ABS Temperature range: -50 ~ 70 (-58F ~ 158F) Accuracy: temp 1 Type:B,C(optional) Size:Approx.62x60x17mm/2.44x2.36x0.67inch Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Thermometer Hygrometer