Fangrui Product Details 1. Temperature And Humidity Monitoring: It Can Accurately Monitor Indoor Temperature And Humidity In Real Time To Help You Understand Environmental Changes. 2. Remote Monitoring: No Matter Where You Are, You Can Remotely Monitor Indoor Temperature And Humidity Through The For App To The Comfort Of Your Home Or Office. 3. Intelligent Automation: Link With Smart Devices Such As Smart Thermostats, Smart Air Conditioners Or Smart Lighting To Achieve Intelligent Automation. 4. Voice Detection: You Can Understand The Current Temperature And Humidity Through Simple Voice Commands, Freeing Your Hands. 5. 1-meter Long Temperature Sensor Cable: The Sufficiently Long Sensor Cable Can Provide A Range For Temperature Detection And Can Be Used In Various Scenarios Without Distance Restrictions. Probe: 1m Long Battery: Lr03-1.5v/3 X Aaa (alkaline Battery) (battery Not Included In Delivery) Probe Measurement Range: -40120temperature Measurement Range: -9.960temperature Accuracy: 1humidity Measurement Ra