Features:* Accuracy: built-in temperature and humidity sensors. Temperature sensor -20 deg;C to 60 deg;C and humidity sensor 0% RH to RH. The temperature is accurate to 1 deg;C and the humidity is accurate to 5% RH. And updated every two minutes for greater accuracy.* Monitoring: The digital humidity thermometer can be easily monitored remotely from the Smart Life app. When the environment changes, you can create intelligent connections. For example, when the room temperature exceeds 35 degrees Celsius. The air conditioner will turn on automatically, or if the humidity drops below 20% RH, the humidifier will turn on.* Turning on the automation: you can request the temperature and humidity of the greenhouse via the smart speaker assistant. For example: "what's your temperature?"* Free data storage and exporting: The internal hygrometer supports data exporting and in-app data storage for one year. The logs can be downloaded quickly and easily via smartphone, and then can be issued as a smartphone file by email.* Small and portable design: Our smart humidity sensor thermometer measures 71x25x20mm, space-saving and easy to carry around. Technical data:* Size: 70*24*19mm* Battery: LRO3-1.5V/AAA * 2* Wireless type: Wifi/Zigbee* Measurement range: 20C-60C.0% RH- RH* Measurement accuracy: + 1C +5% RH* Alarm mode: APP push notifications Package contents: 1 * thermo-hygrometer 1 * manual Note: 1. The real color of the item may be slightly different from the pictures shown on website due to many factors such as brightness of your monitor and light brightness.2. Please allow slight differences in manual measurement for the data.