Feature 1For Zigbee Communication: Adopts for Zigbee communication, which can be paired with smart home gateways to provide a more stable and longer signal transmission distance. 2Security Monitoring: Once the doors and windows are opened, the detector will immediately sound an alarm to alert you to potential intruders or unsafe situations. 3Smart 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. 4High 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. 5Wide 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.Item Type:Door Open ClosedDetectorsMaterial: ABSBattery:120mAhCR2032 coin cell battery (built in) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x DoorOpenClosedDetector1 x Double Sided Adhesive2 x Other Accessory1 x Instruction Manual