Sonoff SNZB04 Zigbee Wireless Door Window Sensor Home Security Alexa Google 2Pack

Protect your home with the Sonoff wireless door/window sensor, receive instant alerts on your smartphone when doors/windows are opened or closed. Sync status on your phone for added security. Requires Sonoff Zigbee Bridge for scene linkage with other devices. Easy installation with 3m adhesive, works with drawers, garage doors, blinds, and more. Share with family for quick control and monitoring. Camera function for clear visuals and two-way audio communication. Create a smart home with Sonoff!