LEIGAO WiFi Hygrometer Thermometer Sensor with External Probe, Wireless Digital Temperature and Humidity Monitor, Real-time Sync Update, Backlit LCD, Buzzer Alarm, Works with Tuya App, for Home Greenhouse Real-time synchronization update: Accurate measurement with real-time updates without delay. USB charging required; must be plugged in via USB cable or have the backup battery switch turned on to operate. Users can select the temperature or humidity reporting interval, such as 1 second or 120 seconds. Upgraded backlit LCD screen: The thermometer hygrometer features a backlit LCD display for clear visibility in any lighting condition, allowing you to monitor temperature and humidity at a glance. App notification alert: If the temperature or humidity goes beyond the range set in the Tuya or Smart Life app, you will receive an immediate push notification. Enable low-battery reminders to stay informed and monitor environments such as wine cellars, greenhouses, and more from anywhere. Remote monitoring: View temperature and humidity data remotely. Monitor spaces like baby rooms, wine cellars, or garages with ease. Supports integration with Alexa and Google Assistant for voice control. Ask simple commands like, "Alexa, what's the temperature in here?" Automation capability: Connects to 2.4 GHz Wi-Fi network. Easy setup through the Tuya app using Bluetooth to auto-detect and add the device. This smart hygrometer can serve as a temperature and humidity data source for Tuya Smart, Smart Life, Alexa, and Google Home, enabling automated routines based on environmental data. Color: White Size: 8.6 x 8.6 x 2.28 cm Package Includes: 1 Piece