The serial number for the TD-07DMK is located on the underside of the TD-07 module. It consists of a 7-digit designation, including 1-2 letters and 5-6 numbers. For more information, refer to "How do I find/enter my Serial Number?"
When submitting registration information, use only the serial number of the TD-07 module, which represents the entire kit. It is not necessary to list individual serial numbers for each pad or cymbal pad.