Wireless Door For Window Sensor: A compact mini sensor that detects door and window openings and sends alerts to your mobile app for remote monitoring. Easy Installation And Setup: Hassle setup with no wiring required. Mount the sensor using mounting strips and connect via the app. Compatibility With Ecosystems: Integrates with Alexa, Google Assistant and other voice assistants, enabling voice control and automation routines. Operates on stable 2.4GHz WiFi networks for reliable connectivity. Advanced Monitoring Features: Includes a power display, alarm management and history query functions to track door status and review past events. Low battery alerts help maintain continuous protection for your household. Use scenarios: While traveling or away from home, receive realtime alerts if a door or window is opened. In rental apartments or shared spaces, install quickly without tools and monitor entry activity. Set up voiceassisted automations (with Alexa or Google Assistant) to trigger routines or alerts when doors/windows open.