2 * Guitar Effect Pedal:1*a + 1*b Mini version of Mad Professor Deep Blue Delay BLUE DELAY This Pedal is Mini version of Mad Professor Deep Blue Delay -Controls Level: Sets the level of delayed signal mixed with straight guitar tone, fully CCW there is only straight (un-effected) guitar signal heard and fully CW gives the loudest delay. Delay: Controls the delay time from 25ms (fully CCW) to 450ms (fully CW) Repeat: Controls the repeats of the delay signal, fully CCW gives one repeat and at fully CW you get infinite feedback Circuitry True Bypass Switching Electric guitar preamp overdrive effect pedal for guitar players. 4 functional knobs(Gain/Volume/Bass/Treble) for adjust the performance of the overdrive effect. True bypass footswitch for switching between chorus effect and bypass status. LED light for indicating effects or bypass status. Full metal shell and compact size, durable and portable. Input: 1/4 inch monaural Jack Output: 1/4 inch monaural Jack Power Supply: DC 9V AC adapter (center minus plug)(not included) Item Size: 9.3 * 3.8 * 3.2cm / 3.7 * 1.5 * 1.3 inch ; Dimensions: 94(W)MM x 39(L)MM x 32(H)MM Color: orange/blue Material: zinc aluminum alloy Package Contents: 2 * Guitar Effect Pedal Note: Power Adapter is not included. Please use the power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly. Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.