Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong SiFeatures: 1. If The Temperature And Humidity Are Too High Or Too Low (Can Be Set By Yourself), The App Will Receive An Alarm Push And Will Remind You That The Temperature Is Too High.2. Radio Transmission Circuit And Coding Technology Solve The Problem Of Signal Interference And Blocking; Split Design, High Reliability3. Multiple Temperature Modes Are Adjustable And Suitable For Different Scenarios; Online Reports Are Sent To The Host Regularly4. Wireless Transmission Of Data Signals, Remote Monitoring By Mobile Phone; Has Low Voltage Monitoring Prompt Function5. Ultra-Low Power Consumption And Long Battery LifeTuya Smart Home Wfi Temperature And Humidity Detector Wireless Temperature And Humidity Sensor Intelligent Linkage With Alexa And Google Smart SpeakersCommunication : WIFI 2.4GWorking Temperature: -10~+55 0~100%RHPower Supply : DC 4.5V (3*AAA Batteries, Not Included)Note:The Data Reporting Of Temperature And Humidity Is Conditional.Data Reporting Rules, Can Be Set By Setting The Time And Temperature And Humidity Changes In The Set Value ( Settings), Which Changes, Data Synchronization To The App Platformsize: 65 x 60 x 26mmMaterial: ABScolour: blackPackage Contents:1 x Temperature And Humidity Sensor1 x English ManualOnly 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.