Features: It can be pasted on metal-containing places-such as refrigerators and metal doors, and can be pasted and removed at any-time. Digital hygrometer thermometer work right out of the box without complicated function buttons. The front panel has a-clear LCD displaying large bold numbers that you can easily read even at a-distance. The digital hygrometer thermometer can be placed anywhere in the home or carried outdoors. Thermometer hygrometer with practical-comfort level Indicator, vivid-visual emoji-helps you understand humidity immediately, assisting the usage of humidifier, dehumidifier settings, and humidistat, and also facilitate monitoring-family's-living conditions by-a guard against coldness, dryness of skin, allergy, and mold. Suitable for your indoor, outdoor, refrigerator, anywhere. The function of alarm lamp is-convenient to know the current temperature at the first-time. Specifications: Material:ABS Size:As Picture Shown Package Includes: 1x Humidity Meter note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.