7 classic reverb effectsHigh-quality stereo input and outputStorable preset slot for each effectTrail On function allows effects to fade out naturallyTrue bypassSupport 9V 300mA center negative supply(the package doesn"t included it ).Colour:Silver-whiteMaterial:aluminium alloyPackage Contents:1 x Guitar PedalOnly the above package content, other products are not included.Note:Light reflection and different displays may the color of the item in the a little different from the real thing.The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin