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 make on-stage tuning easy in all lighting conditions. Professional features like true hard bypass for preserved tone and dual 9v AC jacks for daisy chaining pedals make this unit at home in any pedal board configuration. - Sweep and Strobe mode tuning - True Hard Bypass - User calibration from A435Hz to A445Hz - Bright, multi-segment oversized not indicator - Mute/Bypass select for silent tuning when amplified