This multi-functional effects pedal enriches your guitar's sound. It also includes a tuner and rhythm machine, allowing you to practice in various locations with just one unit. The unit, box, instruction manual, and AC adapter are included. Recommended for those who want to practice with intuitive analog controls. - Model Name: POCKROCK - Brand: ammoon - Output Terminals: Output - Adjustment Knobs: Gain, Volume, Mod, Delay, Reverb - Display: Digital Display - Functions: Tuner function, Echo, Reverb Thank you for viewing.