The Eufy wireless security sensor offers reliable protection for properties, monitoring windows and doors against unauthorised entry. This smart device is ideal for safeguarding residential homes, small offices, or workshops, providing peace of mind for tradespeople and homeowners alike. When a window or door is opened by just 3.8cm, the system triggers an immediate smartphone alert and activates a loud 100-decibel siren via the Eufy HomeBase (sold separately). Installation is straightforward with included brackets and fixings, and the CR-123A battery provides an impressive 730 days of continuous monitoring. It integrates seamlessly with existing Eufy security products and supports Amazon Alexa and Google Home for convenient smart control. Works with - Amazon Alexa - Google Home - iOS App - Android App Tamper Alert Detects Window & Door Openings Simple & Easy Installation Wireless Connectivity via WiFi Integrates with Eufy Security Systems Brackets & Fixings Supplied Smart Hub Requ...