Donner Ultimate Delay Bass Guitar Effect Pedal Stereo 11 Mode 11 modes - you can find what you need with the delay tone Maximum 4s Delay time - all the delay time your playing could ever need. TIME(delay Time),FB (feedback), MIX and FX - for total control of your delay sounds. Left Footswith - Bypass model and Store model. Right Footswith - Tap model,Hold model and Mute model. Stereo input and stereo output, preset saving function.Whole Aluminium-alloy classic, stable and strong. Power Supply: 9V AC.Attention: This Product Does Not Include power cord or adapter