[Metal Ring Design] With a ring, it can be hung anywhere, and it is also easy to and change to any place you want. [Smart Scene Linkage] Set up smart scene linkage with other smart home appliances (such as air conditioners and humidifiers) [ZigBee Communication] The sensor uses ZigBee communication to a stable and reliable connection. [Voice Control] Use for or Home to control the temperature and humidity sensor by voice. [Indoor Humidity Detector] Detects indoor humidity levels and sends a notification to the phone when the humidity reaches a certain range., Weight: 0.05291094288 pounds, Manufacturer: Aisuoka