: Model Number: CRUNCH RED High quality pedal distortion guitar effect. 4 function buttons (VOL/GAIN/PRESSURE/TONE) to adjust the performance of the overdrive effect. True bypass pedal effect to toggle between distortion and bypass status. Type: Effects LED to indicate status of effects or ignore. Full metal shell and compact size, and portable. Specifications: Input: 1/4 inch Jack mono Output: 1/4 inch Jack mono Power Source: DC 9 v AC adapter (negative center plug) (not included) Size of the article: 9.3 x 3.8 x 3.2 cm/3.7 x 1.5 x 1.3in 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. color: red material: metal Package contents: 2 x 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.