a printed circuit board with components soldered onto, mainly a big MCU package with antenna, a big header, a small header to the side, a red 3-position dip switch, a reset button, a power regulator, a rs485 chips, several leds, passives and capacitors and a usb-c connector. The pcb is sitting on a background of gray fabric
https://dgl3kvha6et94.cloudfront.net/media_attachments/files/109/115/438/854/839/586/original/f63d74bb9f9b381f.png