I have confirmed that it is working. The indicator lamp also flashes in sync with the effect. The adapter is not included. The main unit only. There is no scratchiness, but there are some minor scratches. Please consider this as a used item. This guitar effects pedal offers a variety of effects, including phaser and tremolo functions. - Model Name: the WORM - Brand: Electro-Harmonix - Country of Manufacture: USA - Functions: Phaser, Tremolo, Vibrato - Controls: RATE, DEPTH, RANGER, MODE Thank you for viewing.