Product Details: Connect To Even More Scenes With The 2-In-1 Light And Opening/Closing Sensor - Event History, Monitor Home Access While Away Magnetic Induction Sensor Determines Open Or Closed Status. After Connecting To Bluetooth Gateway, View The Device Status From Your Smartphone Anytime, Anywhere. - New Light Sensor Detects Lighting And Connects To More Sceneswhen The Light Sensor Detects That Ambient Lighting Is Dim, The Sensor Connects With A Smart Light And Initiates The Night-Time Entry Light Scene - Instant Alerts Whenever A Door/Window Opens Or Closes Unexpectedly, For Greater Peace Of Mind When Baby Is On The Move Attaches To Anything That Opens Or Closes. Set Alerts For Unexpected Openings, Or Doors That Have Been Left Open For A Certain Time. - Instant Alerts Whenever A Door/Window Opens Or Closes Unexpectedly, For Greater Peace Of Mind When Baby Is On The Move Attaches To Anything That Opens Or Closes. Set Alerts For Unexpected Openings, Or Doors That Have Been Left Open For A Certain Time. - Use The Mi Home/Xiaomi Home App To Access Automated Event History Connects To Other Smart Devices In Your Home Via The Mi Home/Xiaomi Home App. For Example, Whenever Your Pet Gate Is Opened, A Smart Camera Can Automatically Record The Event, Upload It To The Cloud And Send An Alert To Your Smartphone. - More Creative, More Fun Compact Body, Strongly Adheres To Anything That Opens Or Closes In The Home. Turns Traditional Installations Into Smart Home Devices. Warranty: 1 Year.