Very convenient-You don't have to rely on plug power to power your non-battery guitar effects, so that you can perform around the world.Generally applicable-Great for - guitar pedals with 5.5mm 2.1mm male plug and negative center.They work perfect if your board has more pedals than your power brick.Stable power-You can use a separate battery for each guitar pedal, so that the power supply will not be affected, and the guitar pedal effect is stable.High quality sound-The most pure electric current can be obtained by using the battery. That can reduce pedal noise to a minimum.9V battery power cord can help you get out of the narrow room. Bring your guitar and guitar effects to travel with you.9v battery power supply line can give you guitar pedal with a dedicated power supply, current is stabilized so that your pedal to obtain the best sound.Wire specifications: 2464 24AWG X2CLoad range: 3V-36Vcolour:blackMaterial:PVCsize:Length: 12CMProduct specification: DC 5.5mm*2.1mmPackage Contents:6 * Guitar pedal power cableOnly the above package content, other products are not included.Note: Light 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.