Product parameter Temperature Range: -58F ~ 158F Temperature Accuracy: 1F Humidity Range: 10% ~ 99% Humidity Accuracy: 30%~80%: 2%, out of range: 3% CR2032 Battery: 10-12 months battery life Face Icon Comfort Indicator temperature and humidity gauge Using crystal clear crystal display, vivid smiley face emoji indicating the comfort of the room, so that you can understand at a glance the changes in the home, and whether to take humidification or dehumidification measures, to provide the most meticulous care for you and your family Accurate Dual Probe Sensors This temperature humidity gauge adopts imported industrial high precision temperature and humidity sensor, built-in dual-probe sensor, temperature and humidity sensor working separately, providing professional precision so that you can be more assured of environmental temperature and humidity control. Multiple Mounting Options The thermometer for room temperature is compact, intelligent, easy to use, and has various installation options to meet your different needs: stand, wall mount, paste mount. Using double-sided tape and hanging holes, you can stick it or place it wherever you like. Not only is it light and compact, but it is also easy to put in a pocket and can be placed anywhere in the house or taken outdoors with you. High Reliability & Accuracy The temperature and humidity data are updated every 10 seconds, with multiple sensitive vents, providing accurate and up-to-date readings, reflecting temperature fluctuations of 0.1 and humidity changes of 1%RH. Even if you breathe out, The home temperature monitor can also quickly sense subtle changes in temperature and humidity, let you keep abreast of the latest changes in the environment, and avoid any inconvenience to you. Easy To Read and Use One of the impeccable attributes of the room temperature thermometer is that it is easy to use and does not require any complicated settings. You can use it immediately after receiving the package. Every detail is convenient for your use. Its time to enjoy a clear and straightforward LCD with large numbers, clear picture quality, and sharp fonts, which can be viewed from different angles, providing a better reading experience. Include Battery & Lower Power Consumption The digital temperature gauge is equipped with a CR2032 battery, so you don't need to go to the store to buy additional batteries. Powered by a powerful and typical CR2032 battery, it can provide 10-12 months of battery life. When you need to replace the battery, it is easy to replace. Using ultra-low power consumption, high-quality LCD screen In-depth optimization of chip algorithm, lower power consumption Air Comfort Indicatormini 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, asthma, allergy, and mold. High Accuracy and Quickly RefreshWith imported industrial-grade high precision temperature and humidity sensors, and this temperature and humidity gauge feature 2%RH and 1F high precision, better than analog and chemical thermometers. This upgraded digital temperature and humidity gauge are more accurate and easier to use. The readings are updated every 10 seconds to give you the latest and more precise temperature and humidity readings. Multiple Mounting Options and Widely Useroom thermometer for home are available in various installation options: stand, wall mount, and paste mount. Using double-sided tape and suspension holes, you can paste or place room thermometer for home anywhere you like, such as refrigerator, counter, living room, baby room, kitchen, basement, office, greenhouse, guitar room, office, garden, and cellar. Easy To Read and Usedigital hygrometer thermometer work right out of the box without complicated function buttons. The beautiful white 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, powered by a CR2032 battery (included), which will ensure you have a more powerful battery life and a more worry-free experience.