Feature: 1. 7CH 9V (100mA) is used for ordinary analog effector, 1CH 9V (500mA) for digital effector and DC 9V low power digital guitar amplifier, besides have the modes of 1CH 12V / 18V (100mA) 2. Having an LED indication function. Bright blue LED for foot pedal lighting and short circuit indication 3. Short circuit/over current protection, one channel short circuit will not affect the functions of other channels 4. When an instantaneous overcurrent occurs in this channel, the corresponding LED light will flash and the current will reach its limit 5. Pedal power supply have stable structure, excellent performance and long service life Specification: Item Type: Pedal Power Supply Output: 7 Channels 9V 100mA/1 channel 9V 500mA/1 channel 12V 100mA/1 channel 18V 100mA Size: Approx. 15 x 5 x 3cm / 5.9 x 2 x 1.2inHow to Use: You need to connect the adapter to the product and an external power supply, and then use the cable to connect the effector power supply and the effector. . Package List: 1 x Pedal Power Supply10 x Connection Line1 x Adapter2 x Adapter Cable 1 x User Manual