Aqara Door and Window Sensor SNSR-CONTACT Number of CPU Cores_8 the secondary Ethernet port can

the secondary Ethernet port can power an external device

the TP-LINK TL-SG1016PE 16-Port Gigabit Desktop/Rack mountable Switch with 8-Port PoE+ is a great choice for expanding your home or office network

LinkQnet 1800W AVR LCD Line Interactive UPS

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Aqara Door and Window Sensor SNSR-CONTACT Number of CPU Cores_8 the secondary Ethernet port canAqara Door and Window Sensor The Aqara Door and Window Sensor detects the open and close state of doors or windows through the distance between the sensor unit and the magnet. It consumes a very small amount of energy and no tools are required simply peel and stick it to the desired place. *Requires AQ HUB CAM G2H or AQ HUB M1S or AQ HUB M2