Amazon.com: D'Addario Accessories Guitar Tuner Pedal Plus - Chromatic Tuner for Electric Guitars, Bass Guitars and More - Fast and Accurate with True Bypass - Full Color Display with Programmable Countdown Timer :
D'Addario CT-20 Chromatic Tuner Pedal
Baum Music - Planet Waves PWCT07 Chromatic Strobe Tuner
D'Addario CT-20 Chromatic Tuner Pedal Black
Planet Waves Tru-Strobe
D'Addario Chromatic Pedal Tuner – Telluride Music Co.