1Digital Delay Effect: Unique digital delay effect with modulation and saturation characteristics, with 800ms long delay time. 2Pass Through: Can choose to use buffered pass through or mechanical switching (through high quality audio relays) pass through. 3Metal Shell: The shell is made of excellent metal material, hard and wear resistant, and can be used for a long time. 4Simple Installation: With hook loop fastener and sticker, the effect pedal is easy to install and not easy to fall off. 5Adjustment Knob: With 3 adjustment knobs, manual operation is more convenient and accurate, and practical. Item Type: Digital Delay Guitar Effect Material: Metal Color: Orange 1 x Effect 1 x User Manual 1 x Hook Loop Fastener 1 x Sponge Note that the positive and negative poles of the power supply should be the same as the positive and negative poles of the effect.