TP-Link Tapo Smart Contact Sensor

This product requires a Tapo Hub Tapo is the easy way to turn your home into a smart home. With the Tapo Hub* as a bridge, Tapo Smart Sensorworks with a wide range of Tapo accessories. So you can easily control and monitor your home from anywhere. Light the Way When Arriving HomeTurn on the light automatically when you open the door. Build Smart AlarmTrigger hub alarm and send you app notifications when someone opens the door or window. Secure Door/WindowYour Hub will ring if you forget to close the door. Key Features Window/ Door Safeguard Monitor the opening & closing of windows, doors, cabinets, the fridge, or the mailbox in real time. Real-Time Notifications Trigger Hub alarm and send you notifications via Tapo app whenever doors/windows are open. Smart Actions Support Connect the actions with other smart devices whenever doors/windows are open for security or home automation. Battery Powered Battery-powered design with 1+ year# battery life. Easy Installation Mount to nearly any surface with included 3M adhesive. Device Sharing Easily share management permissions with each member of your family. Easy Setup and Use Set up quickly and easily through the free Tapo app   *Sold separately#Based on the testing of 30 triggers a day