1Short circuit/over current protection, one channel short circuit will not affect the functions of other channels. 2Highpower pedal power supply. Available for 9V, 12V, 15V and 18V guitar effects. 3Having an LED indication function. Bright blue LED for foot pedal lighting and short circuit indication. 4When an instantaneous overcurrent occurs in this channel, the corresponding LED light will flash and the current will reach its limit. 5Effect pedal power supply have stable structure, excellent performance and long service life. Item Type: Effect Pedal Power Supply Material: Aluminum Housing + Metal Color: As shown in the picture Product Size: Approx. 16.5x5x3cm / 6.5x2.0x1.2in Weight: Approx. 600g / 21.2oz Power Adapter Input Voltage: 100V -240V (wide voltage) 50-60HZ Power Adapter Power: 18V 2A 36W Product Input Power: DC 18V 8 Large Output Power Jacks: 5pcs 9V 500MA 1pcs 18V 1000MA 1pcs 12V-9V 1000MA 1pcs 15V-9V 1000MA 1 x Effect Pedal 1 x Power Adapter 6 x Black Power Cord 2 x Red Power Cord 2 x Polarity Reversed Line 1 x Instruction Manual 1. Please allow 1& 8209;2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.