Operation confirmed. No problems. Compact black wah pedal, easy to use with a switch. Specifications ■Type: Guitar Effects Pedal ■Wah Pedal ■Power: AC adapter (sold separately), 006P 9V battery (sold separately) ■Dimensions, Weight: 25x10x6.25cm, 1.7kg ■Vintage rock and roll sound. Used by various guitarists such as Jimi Hendrix, Eric Clapton, Steve Vai, and Joe Satriani. - Type: Wah Pedal - Connection Terminals: 1/4 inch jack - Features: With switch - Color: Black - Size: Compact Thank you for viewing.