BOM and build info can be found here. Sale is for 1x PCB.
All units are tested before shipping. The DIY nature of this device assumes you have reasonable technical knowledge of soldering techniques and such. No support should be assumed however I will do my best to accommodate troubleshooting recommendations and/or replacement if a defect is ultimately determined. Unused and unopened items can be returned within 14 days of the delivery date.
Shipping is either through UPS or USPS depending on the weight and location of the customer. Shipping and tracking information is typically within 1 business day.