Aqara Temperature and Humidity Sensor, Pack of 3, Requires Aqara Hub, Zigbee, for Remote Monitoring and Smart Home, Wireless Hygrometer Thermometer, Compatible with Apple HomeKit, Alexa, IFTTT

Notes: A Aqara hub is required and sold separately. A secure 2.4GHz Wi-Fi network connection is also required. The Aqara Smart Home central M2 or M1S can connect up to 128 devices (*A repeater such as smart socket or Aqara smart light switch (with neutral conductor) is required)
Remote Monitoring When the ambient temperature is above or below a certain threshold, the Aqara temperature and humidity sensor will send a warning to your phone or trigger the Aqara Hub night light
Smart Home The Aqara temperature and humidity sensor can control other connected devices such as the Aqara Smart Socket to ensure that the fan or humidifier maintains a comfortable stand
PRECISE MEASUREMENT Uses a high quality sensor from industry leading manufacturer Sensirion
Built-in air pressure sensor: it can monitor the ambient air pressure in the house