his is a low-gain drive pedal,it bring you a very nice tone; also can be used as a booster, it easily creates the tone you want for the song you're trying to play. Preview Button: it controls the coloration (tone) of the signal before the pedal The last step in the setup is to decide how much detail you want in the tone: darker or brighter. Gain Button: When used as a clean booster, it is recommended to adjust the gain to match the volume to keep the tone as original as possible. Output Button: This is the overall final volume. Set it so that there is little difference in volume from the original sound when the effect is turned on and off, or a little louder if needed. Colour:Orange Yellow Material:Metal Made of Material and uses 9-volt center negative power adapter (not included) True Bypass Pedal High-quality components and No hissing noise Character Button: this button is the most impressive. 4 modes totally. 1 Nor : the clean gain booster 2.Nor+LFP: soft tone 3.Nor+Hicut: a good tone for crispy and sparkling song 4.Nor+LFP+Hicut+: a bit scooped tone Package Contents: 1 * Electric Guitar Effect Pedal Only the above package content, other products are not included. Note: Light reflection 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.