This is a 1-2 Switch Switch cartridge. Operation has been confirmed. ⭕️ As this is a private seller, there may be slight overlooked stains or scratches. Please understand and acknowledge this. ⭕️ Please refrain from purchasing if you are seeking perfection or are concerned about minor details, as this item is stored at home. Also, please understand that the degree of wear and tear on used items may vary depending on individual perception. ⭕️ Even during the exchange of comments, priority will be given to those who purchase immediately. However, please refrain from purchasing items that are marked as "reserved." Please consider purchasing with the above in mind. Immediate purchase is welcome. No returns, no refunds.