Feature: 1. For Zigbee Communication: Adopts for Zigbee communication, which can be paired with smart home gateways to provide a more stable and longer signal transmission distance. 2. Security Monitoring: Once the doors and windows are opened, the detector will immediately sound an alarm to alert you to potential intruders or unsafe situations. 3. Smart and Convenient: By connecting with for Tuya App, you can remotely monitor the status of doors and windows anytime, anywhere, and receive real time alarms and notifications. 4. High Precision Detection: This magnetic door detector has high precision magnetic detection, which can accurately identify the status of doors and windows to ensure reliable safety protection. 5. Wide Application: Timing and automation can be set to realize the automatic control of smart homes, suitable for doors and windows, home, commercial or office space use. Specification: Item Type: Door Open Closed DetectorsMaterial: ABSBattery: 120mAh CR2032 coin cell battery (built in). Package List: 1 x Door Open Closed Detector1 x Double Sided Adhesive2 x Other Accessory1 x Instruction Manual