Tapo TP Link T110 Smart Contact Sensor for Window/Door Safety, Battery Life of More Than 1 Year, Instant App Notification, [Must Be Used with H100 Hub], Includes Quick Instructions and CR2032

Advanced door/window monitoring system that provides instant smartphone notifications through the Tapo app whenever monitored entry points are opened or closed, offering real-time security awareness whether you're home or away Exceptionally versatile functionality through Smart Actions 2.0, allowing the sensor to trigger other Tapo devices - for example, automatically activating lights when doors open or triggering security cameras for enhanced home automation Compact and discreet design measuring just 61.4mm x 37.5mm x 12.3mm, featuring hassle-free installation with included 3M adhesive strips and powered by a long-lasting CR2032 battery that runs for over a year Operates via the Tapo H100 Hub using Sub-1G Low-Power Wireless protocol, enabling superior range compared to WiFi and supporting up to 64 connected sensors for comprehensive home monitoring