Fangrui Product Details Description Remotely Monitor No Hub Required, Connecting With 2.4 Ghz Wifi, You Can Remotely Monitor The Smart Humidity Sensor.an Suitable Moderation Is Good For Body.the Sensor Is Installed At Home.you Can Clearly Know The Changes Of Temperature And Humidity. Voice Controlvoice Control.simply Give A Voice Command To Alexa Or Google Home Toturn On/off Piug When Your Hands Are Full. This Function Helps You React Fast To Sudden Changes In Your House, Baby Room, Etc. For Wardrobedehumidification Of Your Wardrobe.you Can Install The Sensor In Your Wardrobe.when The Humidity Is Too Large,it Will Send Alert To Your Smartphone By App...humidity Measurement Range Is Rh-rh With Rh Accuracy. App Remote Controlapp Remote Control.remote Control The Wi-fi Temperature And Humidity Sensor By Smartphone From Anywhere At Anytime.help You To Protect Your Babys Health.with The Sensor Installed In The Babys Room, You Can Timely Know The Change Of The Temperature And Humidity. Sharing Functionit Has Sharing Function.sharing The Wi-fi Temperature And Humidity Sensor With Family Members By Smart Life App To Control Together.smart Linkage Function.diy Different Smart Automation/tap To Run Scene.