Feature: 1. Smart WiFi Connection: This smart WiFi temperature and humidity monitor can be connected to your smartphone or smart home system through a WiFi network for remote monitoring and control. 2. Accurate Sensor: This temperature and humidity monitor uses accurate sensors to accurately measure indoor temperature and humidity. You can always understand the indoor environment and make corresponding adjustments to maintain a comfortable and healthy home environment. 3. Real Time Data Display: Through your mobile application, you can view the trend of temperature and humidity data changes in real time and view historical data records. This will help you understand the changes in the indoor environment and better manage and adjust. 4. Alarm Notification: When the temperature and humidity exceed the predetermined range, the monitor will send an alarm notification to your phone. You can take timely action to avoid negative effects of temperature and humidity on your health and living environment. 5. Flexible Installation: The temperature and humidity monitor has a convenient installation design and can be placed in any indoor area. It can be placed in any location you care about, such as the living room, bedroom, office, etc., to achieve comprehensive temperature and humidity monitoring and control. Specification: Item Type: Temperature Humidity SensorMaterial: ABSBattery: CR2032 button battery Capacity: 120mAh (shipped with built in battery). Package List: 1 x Temperature Humidity Sensor1 x Instructions1 x Other Accessories