[ZigBee Compatibility] To use this Zigbee vibration sensor with Apple Home or other smart ecosystems, an Aqara Hub (sold separately) is required. It supports secure 2.4GHz Wi-Fi networks. Each Aqara M2 or M1S Hub can connect up to 64 devices (a repeater like the Aqara Smart Plug or Smart Wall Switch with Neutral wire is recommended for optimal performance). **Requires Aqara Hub, not 3rd-Party [Smart Vibration Alerts] Whenever the Aqara Vibration Sensor detects unexpected vibration, it will send alerts to your phone or activate the local alarm on the Aqara Hub—keeping you informed and your home protected. [Versatile Movement Detector] More than just vibration sensing, this smart vibration sensor also detects tilt and drop movements. Simply attach it to drawers, class windows, jewelry drawers, delivery boxes, safes, or artwork, and get notified if any movement is detected. A perfect solution to safeguard valuables and monitor fragile or sensitive items. For a stable connection, ensure the motion sensor is placed within 393 inches (10 meters) of the Aqara Zigbee Hub. [Home Automation] The Zigbee contact sensor can be made to control and trigger other Aqara connected devices when vibration and or movement is detected.From sending alerts if a window breaks or notifying you when appliances like washing machines or dryers have stopped running. This can contribute to a more efficient and responsive smart home. Zigbee2MQTT and comparable third-party USB dongles are not officially supported by Aqara. Full product functionality may be limited or unavailable. [Long Battery Life] Designed with ultra-low power consumption, the vibration sensor offers up to 2 years of battery life. No frequent replacements are needed, making it energy-efficient and convenient. Note: Remove the plastic battery tab before first use. If the device disconnects, please check or replace the battery.