Tag nrho cov khoom dhau CE / FCC / ROHS thiab txaus siab rau 1-3 xyoo warranty.Peb nkag siab qhov ruaj khov zoo yog lub ntsiab lus tseem ceeb los pab cov neeg siv khoom nthuav dav.Yog li tsis hais cov qauv lossis cov xaj ntau, tag nrho cov tshuab yog nyob rau hauv kev tswj hwm nruj zoo nrog rau cov khoom siv raw, hauv kev tshuaj xyuas ntau lawm, 2 teev aging test, puab OQC tshuaj xyuas.