Receive real-time alarms remotely when someone opens the door or window (door magnet and magnetic stripe separation). The sensor sends instant notifications to your smartphone. An alarm sound can be triggered, providing audible alert to help protect property. Compatible with 2.4GHz Wi-Fi connection only. Connects to your smartphone via app in a 2.4GHz Wi-Fi environment. If your router supports 5GHz only, the device will not connect. Works with voice assistants and can be integrated with other smart devices for automated control. User-friendly operation with simple controls: single-click to activate, double-click to deactivate, 3 seconds to silence, and 8 seconds to reset. Versatile protection for multiple home areas. The sensor is easy to use and suitable for various scenarios such as family homes, hotels, rental houses, drawers, and safes. Wireless Type: 2.4GHz Wi-Fi Alarm Volume: Up to 130dB Standby Current: Less than 10uA Operating Temperature: -10°C to 40°C (14°F to 104°F) Operating Humidity: 20% to 85% Storage Temperature: -10°C to 60°C (14°F to 140°F) Storage Humidity: 0% to 90% Standby Time: 6 to 12 months (Note: Product appearance and printed text may vary by batch, but this does not affect functionality) Color: As shown Material: Plastic Package Contents: 1 x Door Window Sensor Only the above package content is included; other items are not part of the package. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error is +/- 1-3cm.