Mosky Mini Guitar Effect Pedal Loop Box Switcher Channel Selection True Bypass Guitar loop effect pedal with true bypass. Mini size, durable zinc-aluminium alloy body. With SEND & RETURN jacks for other effects to get true bypass function. Support route selection, suitable for no direc effect like bass guitar pedals. With LED indicator light showing the working status. color: black Material: Zinc-aluminum alloy Signal Input: 1/4 inch Jack Signal Output: 1/4 inch Jack Power Supply: DC 9V Item Size: 3.5 * 9 * 3cm / 1.4 * 3.5 * 1.2 inch Item Weight: 127g / 4.5oz Package List: 1 * Guitar Effect Pedal Note: The power adapter is not included. 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.