Features:Delay guitar effect pedal with analogue circuit, giving you warm and sweet delay tone.With TIME, FEEDBACK and MIX control knobs for you to adjust the parameter of the effect.True bypass for ultra clean tone, with LED indicator showing status of effect.Compact size and full metal housing, lightweight and durable.9V battery or AC adapter dual power supply choices.(Both are not included)Specifications:Material: metalInput: 1/4" mono jackOutput: 1/4" mono jackCurrent Draw: 30mAPower Supply: 9V battery or DC 9V center negative power adapter(not included)Item Size: 12 * 6.5 * 3cm / 4.7 * 2.6 * 1.2inItem Weight: 235g / 8.3ozPackage Size: 13 * 9 * 6cm / 5.1 * 3.5 * 2.4inPackage Weight: 285g / 10.1ozNote:Power adapter and battery are not included.Please use the DC 9V power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.Package List:1 * Effect Pedal1 * Users' Manual(English)