Door Sensor Alarm — instant open/closed detection with smart notifications Key benefits Immediate alerts: The sensor detects when a door or window opens or closes and pushes instant notifications to your smartphone via the Smartlife app so you always know what's happening at home. Better home safety: Receive realtime alerts to help deter intrusions, monitor access to valuables, and keep track of pets or children entering/exiting the house. No extra hardware or fees: Works without a hub and there are no subscription fees. Pair the Smartlife app with Alexa or Google Home to check sensor status by voice. Simple setup and low maintenance: No complicated tools required for installation. The sensor uses low power and delivers superlong battery life to reduce frequent replacements. Features Function: Open/closed magnetic door and window detection with push notifications to your smartphone. Compatibility: Integrates with the Smartlife app and is compatible with Alexa and Google Home. No hub required. Ease of installation: Quick mounting—no specialized tools or wiring needed. Setup instructions and a howto video for WiFi and Alexa integration are available on the product main page. Performance: Low power consumption for extended battery life; reliable instant alerts when state changes occur. Typical use scenarios Front door security: Get an instant alert when the front door opens so you can confirm arrivals or detect unexpected access. Cabinet and safe monitoring: Place the sensor on liquor cabinets, medicine cabinets, or safety deposit boxes to be notified of any unauthorized openings. Garage, gate, and pet doors: Monitor garage doors, front gates, or pet doors to track activity and ensure doors are closed when needed. What's included / setup notes Door sensor alarm that communicates with the Smartlife app. Follow the video on the product page for stepbystep guidance on adding the sensor to Wi‑Fi and linking with Alexa. No hub or subscription required. Use the Smartlife app for notifications and integrate with Alexa or Google Home for voice status checks. Protect your home and belongings with a simpletoinstall sensor that notifies you the moment a door or window is opened or closed.