Smart Door and Window Sensor without HUB (HUB required) | Meross | MS200H

Meross HomeKit Hub is needed for installation and to bough separately.
Works with Apple HomeKit, Amazon Alexa, 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 the alert condition is detected.
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.
Control Up to 16 Devices: One hub can control 16 Meross devices (sensors, detectors, thermostat valves) simultaneously.