This Line 6 JM4 Looper Guitar Effect Pedal has been tested and includes a power supply. It allows for versatile looping and recording capabilities, making it an excellent addition to any musician's gear collection. With an array of effects and customizable options, this looper is perfect for live performances and studio recording. Additionally, the brand's reputation for quality and reliability makes this pedal a must-have for any Line 6 fan.

Now for what I found testing it, the led readout screen aonly one half works.  The buttons work and you can still scroll through the different parameters and all the different programs but can only read half the readout see the picture.  Sold as is no returns .