【Real-time Monitoring】Detect and report the open/close status of doors and windows in real-time, providing instant notifications to your smartphone for enhanced home security. 【Matter Protocol Support】Utilizing the Matter protocol, this sensor ensures cross-platform compatibility and seamless integration with major smart home ecosystems like Apple Home, Google Home, and Amazon Alexa. 【Dual Power Options】Features flexible power supply with USB connectivity and backup battery support, ensuring continuous operation even during power outages. 【Smart Automation】Create custom scenarios such as "turn on lights when door opens" by linking the sensor with other smart devices like plugs and lights. 【Tamper Alert】Built-in anti-tamper mechanism automatically triggers an alarm and sends a notification to your phone if someone attempts to remove the device casing. 【Remote Control】Monitor door/window status and manage the device from anywhere using the smartphone app. 【Easy Installation】No wiring required. The magnetic design allows for quick and easy installation using adhesive mounting. 【Multi-User Sharing】Share device access with family members for collaborative home management. Specifications: Model: NAS-DS07TM Wireless Protocol: Thread Wireless Frequency: 802.15.4 MAC/PHY @ 2.400 - 2.483GHz Wireless Range: 45m Power Input: 5V/1A Battery Type: 1 x CR123A AA battery (not included) Standby Current: 18uA Battery Life: 2 years (based on 20 triggers per day) Operating Temperature: 0℃ ~ 40℃ (32℉ ~ 104℉) Operating Humidity: 20% ~ 85% RH (non-condensing) Product Dimensions: Main body: 82mm x 27mm x 23mm Deputy body: 50mm x 13mm x 16mm