Smart Door/Window Sensor — App Alerts, Light Automation, Battery Level & Family Sharing

Compact sensor that detects door/window open and closed states and sends instant notifications to your app. Use it to trigger actions such as turning lights on or off when the sensor changes state. The device shows battery level and provides a low-battery reminder so you won’t be caught off guard. Share the sensor with family members to collectively monitor and control your home. Installs in seconds with peel-and-stick adhesive for a fast, hassle-free setup.