I haven't used it much, but like most used guitar effects pedals, the rubber on the pedal stopper is cracked. AC adapter not included. Digital delay effect, with a maximum delay time of 800ms, and ANALOG/REVERSE modes. - Model: DD-7 - Brand: BOSS - Type: Digital Delay - Input/Output Terminals: INPUT A/B, OUTPUT A/B - Modes: ANALOG, MODULATE, REVERSE - Maximum Delay Time: 800ms - Control Knobs: LEVEL, MODE, TIME Thank you for looking.