[SFA-1] Formaldehyde Sensor Final printed housing, first batch of pre-orders shipped, good luck!

By optimizing the design on the final printer, we have ensured the best possible detail. These are the final SFA-1 results, and we hope everything goes smoothly! Thank you all for your support, and it's always a pleasure to embark on this adventure with you. We hope this sensor will provide reliable, continuous, and stable monitoring of formaldehyde levels for users who need to monitor formaldehyde in their environments.