1.CORUI Temperature And Humidity Sensor-01 is a Tuya Wifi Smart Temperature and Humidity Sensor 2.CORUI Door and windor Sensor-02 is a Tuya WiFi Smart Multi-function 2 in1 wireless Door Magnetic Alarm Detector 3.CORUI Body Sensor-03 is a Tuya Smart Wifi Infrared Detector 4.CORUI WiFi Switch-04 is a Wifi wireless smart switch CORUI Temperature And Humidity Sensor-01 is a Tuya Wifi Smart Temperature and Humidity Sensor Work With Alexa and Google Home to track and record the temperature and humidity change in your home, which all real-time readings can be checked on APP. Specifications: Intelligent LinkageWhen the ambient environment change, you can do intelligent linkage. For example, the air conditioner will be on and turn to specified temperature automatically when the room temperature surpass 28. And the humidifier will spray when the humidity is lower than 20% RH. Share devicesYou can share your added devices with your family members, so they can also monitor the ambient environment. Temperature Unit Selection in APPYou can choose or as the temperature unit through app. Third-party Voice ControlWorks with amazon alexa, google assistant. Low battery alarmThe battery level can be monitored. Real-time detection of temperature and humidity changes.Temperature and humidity change curve, real-time historical data. Alarm setSet the maximum temperature or minimum temperature reminder, once this value is reached, the phone will receive a notification Wall-mounted, easy to install CORUI Door and windor Sensor-02 is a Tuya WiFi Smart Multi-function 2 in1 wireless Door Magnetic Alarm Detector work with Alexa Google Assistant that can be put on your door or window to tell you with an alert notification if your door or window is opened or closed, adding an extra layer of security to your home. CORUI Body Sensor-03 is a Tuya Smart Wifi Infrared Detector . It is an extra-handy smart device for placing anywhere in your home to detect motion and trigger alarms. CORUI WiFi Switch-04 is a Wifi wireless smart switch