The Planet Waves Chromatic Pedal Tuner is a sweep and strobe tuner with patent-pending intuitive rotary user interface housed in a rugged, road-worthy metal enclosure. An oversized note name indicator and super-bright tuning LEDs combine to makeon-stage tuning easy in all lighting conditions. Professional features like true hard bypass for preserved tone and dual 9v AC jacks make this unit at home in any pedal board configuration.• Sweep and Strobe mode tuning