Donner Digital Reverb Guitar Effect Pedal Verb Square 7 ModesCategory: Reverb Effects PedalDonner Digital Reverb Guitar Effect Pedal Verb Square 7 Modes Features: 1. 7-Mode Effects: Room, Hall, Church, Spring, Plate, Studio and Mod.2. Digital circuit design, true bypass provide transparent tone3. Whole Aluminium-alloy classic, stable and strong.4. LED indicator shows the working state.5. DC 9V Adapter power supply（not included）Verb Square Features Power Supply：DC 9V(Negative in the center). DECAY Knob: Set the duration of the reverberation.E.LEVEL Knob：Control the effect level.TONE Knob：Control the effect tone.7 modes Knob：7 different effect reverberation you can choose. Input & Output Jack：1/4” mono audio jack.LED Light：LED indicator shows the working state. Full metal shell：Aluminum-alloy classic, stable and strong.True Bypass：True bypass for zero tone coloration.Good Reverberation Tone | Easy to Control | Classic Design This is a wonderful pedal. Digital circuit design, and variety of reverberation effect adds musical color to you tone. One pedal let you have 7 different effect reverberations: Room, Hall, Church, Spring, Plate, Studio and Mod. LED indicator shows the working state. There are three function knobs, namely E.LEVEL, DECAY and TONE. 7-Mode reverberation effects you can choose. Control three function knobs and choose different model you want to made you own music tone. Enjoy your own fun and colorful life.As you can see, Verb Square have a novel design logo, classic mini size, convenient and durable. 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 instrumentReturn 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.