1. The Zigbee Intelligent Temperature And Humidity Sensor Uses The Zigbee Hub And Other Intelligent Controls Required For App Configuration In The App. The Zigbee Gateway Serves As The Central Bridge Of The Entire Zigbee Device, And Its Compatibility Is More Recommended Than Other . 2. Compared With The First Generation, The Cost Is Extremely Low, With Real-Time And Accurate House Temperature And Humidity Sensing, And Clear Digital Lcd Display. Smart Automation Works Well With Other Smart Devices, Such As Whole-Home Electric Heaters And Humidifiers, And You Can Even Select Expiration Dates For More Flexible Control. 3. The Battery Power Is Displayed On The Lcd Display, And The Accurate Battery Status Is Displayed In The App. It Also Provides Low Battery Alarm And Temperature Unit Conversion For Easy Reading According To Your Own Needs. 4. It Has An Intelligent Monitoring Mode That Can Improve The Indoor Environment According To The Temperature And Humidity Values. There Are Comfort Indicators In The Smart Life App, Which Can Of The Healthy Growth Of The Baby To A Extent. 5. Simple Installation And Use, Requires Zigbee Gateway To Use Type: Smart Home Control System Screen: LCD Screen Working Temperature: -10-50 Battery Model: CR2032 Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:White Material:ABS Size:. 6 x 6 x 1.67cm Package Contents: 1 x Zigbee Square Temperature And Humidity Sensor 1 x English Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.