Donner Multi Digital Delay Pedal Echo Square Guitar Effect Pedal 7 ModesCategory: Multi Effects UnitDonner Multi Digital Delay Pedal Echo Square Guitar Effect Pedal 7 Modes Features: 1.7-Mode Delay effects: Digital, Analog, Tape, Mod, Sweep, Lofi and Reverse.2. There are three function knobs, namely MIX, TIME and F.BACK. MIX is used to controls the dry/effect signal ratio. TIME is used to control the delay time. F.BACK is used to control the feedback amount.3. Digital circuit design, true bypass provide transparent tone.4. Whole Aluminium-alloy classic, stable and strong. LED indicator shows the working state.5. DC 9V Adapter power supply. (come without power adapter)More details: 1.Power Supply: 9V DC (Negative in the center).2.Two Modals: Normal and Treble.3.Level Knob: Control the sound volume with effect.4.Tone Knob: Control the tone of sound.5 Comp Knob: Adjust the intensity of compression.6.Input & Output Jack: Analogy though 1/4” mono audio jack.7.LED Light: LED indicator shows the working state.8.Full metal shell: Aluminum-alloy classic, stable and strong.9.True Bypass: True bypass for zero tone coloration.Specifications Input: 1/4″Monaural Jack.Output: 1/4″Monaural Jack.Working Current: 140mA.Time of Delay: 20ms ~ 838ms Dimensions: 92(D)*37(W)*32(H)mm. Net Weight: 200g.7 Mode Delay Tone The New Delay pedal from Donner Company with the name of Echo Square, which is also a digital circuit pedal. 7-Mode Delay effects in the whole Aluminium-alloy little stomp box. One pedal let you have 7 different effect delay: Digital, Analog, Tape, Mod, Sweep, Lofi and Reverse. This is a wonderful pedal. A variety of delay effects adds musical color to you tone.Easy to Control There are three function knobs, namely MIX, TIME and F.BACK. MIX is used to controls the dry/effect signal ratio. TIME is used to control the delay time. F.BACK is used to control the feedback amount. You can just control three function knobs and choose 7 mode model that you want, and you can made you own music tone. Enjoy your own fun and colorful life.Classic Design As you can see, this 7 mode delay pedal also have a classic mini design: black 'Clock Hand' knobs, wonderful LOGO design and whole aluminium-alloy classic box, very stable and strong. LED indicator shows the working state. True bypass switch lets your instrument’s signal pass through a non-electronic bypass line when the effect is disengaged, feeding your amp with direct, unaltered signal from your instrument. Return policy: We strive to ensure complete customer satisfaction with every transaction. If you have any quality problem with the product within 90 days after purchase, you could contact us for a refund or replacement. 1-2 inches error of the measuring is a reasonable range due to different measurement methods. Pls confirm the size according to our description instead of the photos. Return by Dimensions problem is not accepted. If return for size, color, material or other reasons that not caused by quality problems, we're sorry that customer has to charge the return shipping cost. Items must be returned in the original manufacturer's packaging. We strongly recommend you keep your packaging for at least the first 90 days after purchase.