-- \u3010Active Security with Tamper Alerts\u3011Equipped with tamper detection. If forced removal or damage is detected, instant alerts are sent via the app. Smart Scenes can also be triggered such as gateway sound alarms.\n--\u3010Smart Automation for Security and Comfort\u3011Works as a key sensor in your smart home ecosystem. When triggered, it can start camera recording and sSmartound-light alarms for security, or link with climate control devices to prepare a comfortable and energy-efficient home environment.\n--\u3010Slim and Discreet Design\u3011Weighing only 45.1g, the smart door window sensor features a compact design that takes up minimal space and does not affect door or window operation or overall home aesthetics.\n\n\r\n\r\n\n\r\n\nSONOFF Zigbee Door Window Sensor Smart Alarm Tamper Alert AAA Battery Home UK\n\r\n\u3010Active Security with Tamper Alerts\u3011Equipped with tamper detection. If forced removal or damage is detected, instant alerts are sent via the app. Sm.