Bullet Points: 1Functional and Effective: Indoor Outdoor Hygrometer Thermometer has a large dial scale in C for easy reading, features three zones, including cold, comfort, and heat, and ranges from -30C to +50C. 2Ensure Coziness: Quickly displays dryness, comfort, and moisture status, 2-in-1 Humidity and Temperature Gauge ranges from 20% to 100% and ensures a comfortable living environment. 3Easy to Use: Room Thermometer and Humidity Meter automatically senses the humidity and temperature in the air, requires no batteries for operation, and allows for convenient use. 4Handy Installation: Temperature and Humidity Monitor allows you to easily place it on the bedside, desktop, or mount it on the wall by using the back hook. 5Broadly Suitable: Multifunctional Hygrometer with Temperature makes the perfect gadget for the home, office, apartment, workshop, classroom, etc., showing you a quick view of air condition. Description: Indoor Thermometer Hygrometer is resistant to high temperatures and can be used for measuring temperature range from -30 to +50 and humidity display range from 20 to 100%, allowing you to conveniently use it in the the home, office, apartment, workshop, classroom, and other indoor outdoor places. Specifications: Name: 2 in 1 Thermometer Hygrometer Temperature Unit: C; Test Accuracy: 1C Temperature range: (-30C to +50C) Humidity range: (20% to 100%) Product diameter: about 128mm/5.04inch Material: ABS Packing List: 1pcs* 2-IN-1 Humidity Monitor Temperature Meter Notes: 1. Duetothelightingeffectsandphotographing angles,thereis acolordifferenceintheproduct, pleaseunderstand. 2. Duetomanualmeasurement,thereisatoleranceintheproductsize.