The ME-20, equipped with a variety of effects, is the perfect pedal for guitarists. - Model: ME-20 - Effect Types: Delay, Modulation - Controls: Pedal, Knobs, Switches - Connections: Input, Output, Power - Display: Digital Display - Colors: Silver, Blue Power and function check performed before listing. Although not all functions were checked, it worked normally. This listing includes the main unit, AC adapter, and instruction manual. Box and batteries are not included. Thank you for viewing.