Easy, reliable door and window monitoring that works on your existing WiFi Key benefits Simple setup: connects directly to your 2.4 GHz WiFi network in a few steps. No gateway or complex wiring required. Hands status check: supports voice control with Alexa and Google Home so you can ask for door and window status by voice. Instant alerts: sends push notifications to your phone immediately when a sensor is triggered, keeping you informed in real time. Maintenance made easy: builtin low battery reminder notifies you when the battery needs replacing, so the sensor never stops protecting you. What it does and why you need it Detects open and closed states for doors and windows, giving immediate alerts whenever a change occurs. Eliminates the need to monitor manually or check multiple apps; get instant, actionable information on your phone and by voice. Works without extra network hardware, making it a good choice for renters, small offices, and homeowners who want a quick upgrade to security awareness. Compatibility and connectivity Connects only to 2.4 GHz WiFi networks. Does not work with 5G networks. Compatible with Alexa and Google Home for voice status queries after linking your accounts. Performance and reliability Direct WiFi connection reduces installation complexity and potential points of failure. Instant push notifications provide timely awareness of entries and exits. Low battery alerts help maintain continuous operation without unexpected downtime. Practical applications Home entry monitoring: receive alerts when the front or back door opens so you can verify arrivals and departures. Child and elder safety: know when windows or interior doors are opened to help supervise children or monitor a family member who needs support. Small office and storage: monitor cabinets, supply closets, or delivery areas to detect unauthorized access or track activity. What to expect Quick setup to a 2.4 GHz WiFi network, voice control setup with Alexa and Google Home if desired, and automatic notifications and lowbattery reminders once installed. This sensor provides straightforward, reliable monitoring for doors and windows with simple WiFi setup, voice control support, and timely notifications to keep you informed.