I am selling these items because I purchased them but don't use them. ● Set Contents ・ Yamaha YAMAHA Digital Percussion DD-75 Original price: about 25,000 yen ・ Snare stand Original price: about 3,000 yen ・ Yamaha Kick Unit KU100 Original price: about 4,500 yen ・ Yamaha Hi-Hat Unit HH40 Original price: about 4,400 yen I have checked the operation by plugging in the included AC adapter. I confirmed that sound is produced by hitting each pad and switching the sound. To avoid any problems, please ask any questions you may have before purchasing. Thank you for your consideration.