Features: brand new and high quality for FLAMMA FS-Series & FC-Series Pedals and more. for DC 5.5x2.1mm.Output: 9.0V; Max Current: 800mAh; USB Input: 5V 2A-4A,Connector Size: Tip center negative(-),sleeve (+)design, for DC Jack 5.5 x 2.1mm. Plug & for Play, it is really handy when travelling or outdoors, just power it with a 5V 2A-4A power bank or USB adapter and you can start running your 9V Guitar Effects Pedals. The adaptor can power most instrument pedals and other 9-volt electronic devices. Tip center negative, sleeve positive. Barrel Connector: 5.5mm x 2.1mm,Can not fit Tip center positive sleeve negative devices use. Specifications: Material:Plastic Type:Right Angle,Straight Right Angle Length:Approx.130cm/51.18in Straight Length:Approx.133cm/52.36in Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x USB Voltage Step Up Converter Cable