Thank you for viewing. A RAT effector with adjustable tone using three knobs. A 9V adapter is not included. Batteries are also not included. This is a used item that has been stored at home for a long time. - Model Name: RAT - Number of Knobs: 3 - Switch Type: Footswitch - Color: Black Instant purchase OK Anonymous delivery We plan to ship via Mercari delivery using recycled packaging. Please understand that we are not responsible for any damage or accidents during shipping. ⚫ For items set up with Rakuraku Mercari Delivery, you can rest assured that they are covered by compensation in the event of damage or accidents. ※ To understand the damage situation of the product, we ask that the buyer contact the事務局 (Mercari's support team). Please purchase with the understanding that this is a used item. Please also see the seller "Naru" below. We have various products for sale. Thank you.