Features: 10 Isolated Output: Pedal power supply power for 9V, 12V or 18V pedal, quality wire to produce the perfect tone and supply stable current. Comes complete with cables and a detachable AC power cord. Blue LED for Indicator: 11 blue LED on the pedal power supply for pedal board lighting & short circuit indicate. If you have a short in a power cable or one of your pedals malfunctions, the Pedal Power will temporarily turn off the power to that pedal. All other outputs will continue to function normally, and the Pedal Power will not be damaged. Low Noise or Hum: The radiation and current noise have been controlled in a very limited range for getting a better sound, absolutely worth the money. Lightweight and Portable: Lightweight and portable for easy carry, universal guitar power supply fit on most pedal boards, better exerts your guitar pedals. Attention for Use: Incorrect polarity would damage this guitar pedal board power supply, please make sure correct positive and negative electrode before wiring the pedal power supply with guitar pedals. Specifications: Material: Metal+Circuit Board Color: As The Picture Shows Package Weight: approx.513g Size: approx.15.8x5.3x3.5cm/6.22x2.08x1.37in Package Includes: 1 Set of Guitar Effect Pedal Power Supply note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!