Mr.Power 18V 1A Guitar Pedal Power Supply

Cable Polarity: Inside is negative (-), outside is positive (+), Before purchasing, please confirm whether the power supply (Positive Polarity) is suitable for your product., Input: 100-240V AC, 50-60 Hz, Output: 18V DC, 1 A, Connector： 5.5MM x 2.1MM, Cable Length：About 44.2in / 112cm., Inside is negative (-), outside is positive (+).