Features 1、Accurate and Wide: This digital indoor thermometer refreshes every 10 seconds, providing the latest and most accurate readings. The measurement range is wide, with a temperature range of ‑10℃ to +50℃ (+14℉ to +122℉) and a humidity range of 20%RH‑95%RH. 2、Air Monitoring: Digital hygrometer with a humidity indicator bar can quickly display dry, comfortable, and humid air conditions, reminding you to adjust the humidifier or dehumidifier to create a great living environment, effectively prevent diseases and allergies. 3、Display and Functions: The temperature humidity meter adopts a 3.34 inch LCD display with clear bold numbers, making it convenient to read data from any angle and distance. Supports ℃ and ℉ switching, 12H and 24H switching, and 10S backlight function. 4、Flexible Installation: Indoor hygrometer thermometer can be installed in various ways, such as desktop stand, magnet connection, adhesive pad, suitable for refrigerator, counter, living room, greenhouse, kitchen, basement, office, guitar room, garden, warehouse, etc. 5、Compact and Practical: This temperature and humidity gauge is powered by 2pcs AAA battery (not included), each battery can last for 8‑12 months. It also has time and date display to meet more needs. Compact and lightweight, suitable for various scenarios. Specification Item Type: Indoor Temperature Humidity Meter Temperature Range: -10℃ to +50℃(+14℉ to +122℉) Humidity Range: 20%RH-95%RH Battery: 2 x AAA Alkaline Dry Battery (not included) Package List 1 x Temperature Humidity Meter 1 x User Manual