Features: 1.Warm, Clean And Smooth Retro Delay Sound: This pedal simulate delay effect, bring warm, clean and smooth retro delay sound. very practical 2.True Bypass: True bypass provides transparent tone, LED indicator shows working status, easy to operate 3.Compact And Exquisite: Mini effect device is compact and exquisite, can save a lot of pedal space, very practical 4.Function Knobs: Analog delay effect pedal come with function knobs, contain mix, and F.BACK is the repetions, easy to adjust 5.Sturdy And Durable: Made of good quality metal material, easy to conduct electricity, shiny, sturdy and durable specification:Item Type: Analog Delay Effect Pedal Material: Metal Color: Orange Product Applicable Power Supply: DC 9V Size(LxW): Approx. 9 x 4cm / 3.5 x 1.6in PackageList: 1 x Analog Delay Effect Pedal 1 x User Manual NoteNote that the positive and negative poles of the power supply should be the same as the positive and negative poles of the effector.