Please check my profile before purchasing. If you purchase this item with other items I have for sale, you can get a 500 yen discount. I will combine the product information, so please comment before purchasing. I have only used this once indoors at home. I have not stepped on the foot switch with my foot. A 9V center-negative adapter is required for use. I personally think it's in good condition, but there may be some areas I've overlooked. Please refrain from purchasing if you are looking for a new item or are very particular about condition. If you have any questions, please ask before purchasing. The following is automatically generated: Green guitar effector with 3 knobs, compatible with DC 9V power supply. - Model Name: Noah'sark - Color: Green - Number of Knobs: 3 - Power: DC 9V Thank you for viewing.