Features:Classical digital delay effect, 1 second delay; by rotating Time, Mix, F.Back 3 different knobs to get what effects you need.True bypass design, minimizes tone loss and controls the pedal better; no battery, powered by AC adapter (not included); LED indicator shows the status of effect.TAP Mode -- step on and hold the footswitch for 3 seconds to enter TAP mode, LED lights up; step the footswich continuously to adjust speed of delay, meanwhile the TIME knob is unadjustable; step on and hold the footswitch for 3 seconds to exit TAP mode.Rubber pads on the backside is anti-skid, which enhances the stability and avoids friction.Reliable quality -- made of high quality aluminum alloy, the pedal is durable and of a classic mini size, bringing you a musical feast.Specifications:Type: TIMERColor: orangeSignal Input: 1/4″Monaural JackSignal Output: 1/4″Monaural JackInput Impedance: 1M OhmsOutput Impedance: 10K OhmsPower Supply: external AC adaptor 9V DC/300mA with center negative (not included)Item Size: 9.2 * 4.1 * 3.4cm / 3.62 * 1.61 * 1.34inItem Weight: 175g / 6.17ozPackage Size: 10 * 6.5 * 6cm / 3.94 * 2.56 * 2.36inPackage Weight: 209g / 7.37ozPackage List:1 * mini pedal1 * user manual