Pyle-Pro PPDLTO Vintage Tube Overdrive Effect Guitar Pedal Get Vintage Overdrive, Smooth Sustain And Screaming Fat Tone - Status Led For Effect On/Off And Battery Check Dedicated Drive, Tone And Level Controls For Awesome Sound Shaping - First-Class Electronic On/Off Switch For Noise-Free Operation Captures Every Nuance Of Your Playing From Smooth Overdrive To Screaming Tube Sounds - Dimensions: 4.9D x 2.76W x 2.12H High-Quality Components And Exceptionally Rugged Construction Ensure Long Life 9 V Battery Or The Dc Power Supply (Not Included)