SONOFF SNZB-04PR2 SenseGuard DW Gen2 Zigbee Door/Window Sensor Tamper Alerts Smart Zigbee3.0 Sensor Versatile Installation AAA Battery Power Local Scene Intelligent Linkage, Zigbee Hub Needed

SenseGuard DW Gen2 is a Zigbee door and window sensor designed for versatile installation on various door and window types, supporting both horizontal and vertical setups. Powered by standard AAA batteries, it ensures cost-effective, long-term use. Featuring smart anti-tamper detection, SNZB-04PR2 sends instant app alerts and can trigger smart scenes when abnormal removal is detected. Its slim, lightweight design blends seamlessly into any home while enabling smart automation for enhanced security and everyday comfort. [Active Security with Tamper Alerts]Equipped 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. [Smart Automation for Security and Comfort]Works as a key sensor in your smart home ecosystem. When triggered, it can start camera recording and sound-light alarms for security, or link with climate control devices to prepare a comfortable and energy-efficient home environment. [Slim and Discreet Design]Weighing only 45.1g, the compact body takes up minimal space and does not affect door or window operation or overall home aesthetics. [Versatile Installation for Any Door or Window]Support both horizontal and vertical mounting, easily adapting to wide gaps, narrow frames, or uneven door and window structures. [Affordable AAA Battery Power]Powered by standard AAA batteries for easy replacement, lower maintenance costs, and up to 3 years of worry-free operation.