This is an item from an older model. Please refer to the photos for the condition. I am selling it because I don't use it often. Operation has been confirmed, but it is a used item, so I would like to sell it to someone who understands this. No claims and no returns, please. - Model Name: SMALL STONE EH4800 - Type: Phaser - Input Terminals: 1/4 inch jack - Output Terminals: 1/4 inch jack - Power: 9V - Country of Manufacture: USA - Condition: Shows signs of use - Controls: COLOR, RATE The EH4800 Phase Shifter provides a unique phaser effect, adding depth to your guitar sound. Thank you for looking.