Quality assurance process 1.Provide few pictures of the product to check the appearance (as the picture shows): Must be clearly enough to see there’s no damage and disassembly. 2.Provide the picture of the nameplate/ monitor account details to check the related information (as the picture shows): 3.Provide the PI with date or order details to check the guarantee valid period Thanks for all the help, we will check and reply with satisfactions.