Features: 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 Detectors Material: ABS Battery: 120mAh CR2032 coin cell battery (built in) PackageList: 1 x DoorOpenClosedDetector 1 x Double Sided Adhesive 2 x Other Accessory 1 x Instruction Manual