Meross HomeKit Hub is needed for installation.Works with Apple HomeKit and is compatible with SmartThings.Voice Access: Know the status of the device via HomePod / Siri.Alert: Your Meross app or Apple Home app will receive an alert instantly when leakage is detected.Sound Alarm: Up to about 60dB when alarming.Low Power Consumption: Up to 18 months lifespan with the built-in battery.Automation: Set triggers to control other Meross devices in the Meross app. IP67 Waterproof.Control Up to 16 Devices: One hub is able to control 16 Meross devices (sensors, detectors, thermostat valves) at the same time.