Requires Hub:Requires Zigbee Hub. without Zigbee Hub, this temperature and humidity sensor will not work. 【Remote Monitoring】Track the temperature and humidity changes in your home, and all the real-time readings can be viewed on eWeLink APP. 【Home Automation】Temperature and humidity sensors can control other connected devices, such as smart plugs. You can set a condition in the smart scene that the fan will turn on/off when the temperature reaches the limit, or the dehumidifier in the room will start working once the humidity exceeds the upper limit. 【Wide Applied in Any Occasions】Built-in smart temperature humidity sensor, the room thermometer can be placed in multiple locations such as your baby room, greenhouse, humidor, cellar, and incubator or other areas. 【Easy to Installation】Adopts 3M adhesives on the bottom to easily install it in any corner of your house.