The Meross Smart Hub MSH450 serves as a central hub for connecting low-power devices and features a built-in buzzer. In addition, it can enable alarm linkage with sub-devices when low-power devices trigger alerts under specific conditions, promptly relaying information to the Meross system or Matter platform. Integrated with Matter, this device is compatible with major platforms including Apple Home, Google Home, Amazon Alexa, Samsung SmartThings, and more.