Multi-function wah pedal, volume adjustable. - Model: Cry Baby 535Q - Power Supply: 9V battery or DC adapter - Boost Selector: On/Off - Volume Control: Adjustable - Foot Pedal Type: Wah Pedal Thank you for viewing. The back cover has been replaced with one for a pedalboard, but the original back plate will also be included. (See photo 1) This listing is for the pedal only. Thank you.