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![BEM11000 LAN/MQTT 2 channel relay board with POE [BEM11000] - $55.00 : BrickElectric.com, Innovative Player in Automation](https://www.brickelectric.com/images/BEM11000_2.jpg "BEM11000 LAN/MQTT 2 channel relay board with POE [BEM11000] - $55.00 : BrickElectric.com, Innovative Player in Automation")