Check the listing for details. Peterson StroboStomp Mini Stompbox Strobe Tuner Pedal. Color: Silver, Condition: New. Listed at 119.00 USD. This is the BEST Tuner Pedal in the market...Period. Here's what Peterson says about it...The StroboStomp Mini™ delivers the unmatched 0.1 cent tuning accuracy of ALL authentic Peterson Strobe Tuners in a mini pedal tuner format. We designed StroboStomp Mini around the most requested features from our customers: a mini form factor, and top mounted jacks.High-Definition LCD Display with LED BacklightEasily Visible in Direct Sunlight or Stage LightingUser-Configurable Display Backlight ColorOver 80 Sweetened and Guided Tunings390Hz - 490Hz Concert A Reference+5 to -6 TranspositionPop-less, 100% True Bypass ModePure Buffered Output ModeTuning 'Always-On' Monitor ModeReal Strobe Tuner with 0.1 Cent AccuracyMini Form FactorTop Mounted JacksFirmware UpdateablePeterson Connect™9V DC / USB-C Bus Powered