Steren COM-203 Manual Del Usuario página 13

b) If you lose the warranty card, we can reissue it, if you show the invoice or
purchase ticket.
RETAILER INFORMATION
Name of the retailer
Address
Product
Brand
Part number
Serial number
Date of delivery
In case your product fails or have any doubt, please contact your
nearest retailer. If you are in Mexico, please give a call to our Call Center.
Call Center
Mexico City: 53 54 22 90
Province: 01 800 500 9000