AT&T WPS1 User Manual page 15

Some states do not allow the exclusion or limitations of incidental or
consequential damages, or limitations on how long the warranty lasts.
In these cases the above exclusions or limitations may not apply to you.
rights which vary from state to state.
Obtaining Service:
the date of purchase, model number and a brief description of the
1-800-8-BATTERY.
Li-Ion
Page 15