Features: 1. Our Smart Door Sensor Combines Functionality With Innovative Design, Featuring A Unique Concave Edge That Enhances Aesthetics And Practicality, Creating Visual Depth And A Modern Feel. 2. The Design Is User-Friendly, Easy To Install And Comfortable To Hold. Our - Is Incorporated For Identification. Overall, This Design Blends Beauty, Usability And , Making Our Sensors Stand Out In Both Form And Function 3.50m/164ft Communication Coverage Range This Sensor Can Cover A Communication Distance Of 50m/164ft (Without Obstruction), Allowing You To Check The Temperature And Humidity At Any Time. 4. The Sensor Has High Sensitivity And Can Quickly Detect Changes In Temperature And Humidity. When The Temperature Changes By 0.3C Or The Humidity Changes By 5%, The Sensor Can Immediately Capture These Changes And Display Them In The App In Real Time. Zne 5. Rather Than Worrying About Weather Changes Every Day, You Need A Smart Temperature And Humidity Sensor To Check The Current Environmental Conditions. Description: 1. Type: Smart Home Control System 2. Humidity Measurement Range: 0%-99%RH 3. Temperature Measurement Range: -10-60 4. Battery Model: CR2032 Lithium Battery (Not Included) color: White Material: ABS Package Contents: 1 x Zigbee Temperature And Humidity Sensor 1 x English Manual Note: Need To Connect To Zigbee Gateway Before The Product Can Be Used Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use 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.