Fitbit devices come with a one-year warranty, just as if you had purchased your smartwatch or scale directly from Fitbit. See Fitbit customer service link in previous question above if you have a warranty issue.
Healthy LaunchPad is not responsible for loss or damage of the devices sent to its participants. Healthy LaunchPad will make all efforts to replace lost or destroyed devices at the initial cost to participants in the Sensable Health program in a timely manner to allow for continued optimal participation on the program.