VSN Guitar Tremolo Pedal Effect Classic Trelicopter Pedals for Electric Guitar Effect True Bypass[Tremoluo Effect] classic photoelectric tremolo tone, with a wide range adjustable and very smooth, proportionally balanced pulse characteristics. [Knob Shift] brings different colors of vibrato. 3 function knobs, speed, offset and depth. [Working Condition] real bypass provides transparent sound. The LED indicator shows the working status. The operation is smooth and does not affect the original tone. [High quality] made of high quality zinc alloy, durable and strong. Small and space-saving, easy to carry for guitarists. Size: 95x52x38mm Material: Zinc Alloy Color: Green Package Contents: 1 x Guitar Effects PedalOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.