Features: 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. 3. Multiple Temperature Modes Are Adjustable And Suitable For Different Scenarios; Online Reports Are Sent To The Host Regularly 4. Wireless Transmission Of Data Signals, Remote Monitoring By Mobile Phone; Has Low Voltage Monitoring Prompt Function 2. Radio Transmission Circuit And Coding Technology Solve The Problem Of Signal Interference And Blocking; Split Design, High Reliability 5. Ultra-Low Power Consumption And Long Battery Life, Manufacturer: Graootoly