CHIYU warrants its products against manufacturing defects in materials and workmanship starting from their date of shipping from CHIYU  manufacturing facilities for two years. Outsource products (including face & fingerprint modules) will have a year warranty. This warranty is limited to either the repair or replacement (at CHIYU's sole discretion) of the defective product during its warranty period. CHIYU reserves the right to revise and reinterpret the policies listed below.

NO. Subject
1 DOA & RMA define
I agree