D'Addario Planet Waves NS Micro Headstock Tuner  

• Features:
• - Built-in piezo transducer picks up instrument's vibration rather than sound
• - Improved software for faster response and improved accuracy
• - Tri-color reversible backlit LCD screen makes it easy to tune in dark environments while allowing mounting in front or behind headstock
• - Wide calibration range (410Hz to 480Hz) and visual metronome
• - Compact design blends into the aesthetics of instrument while adding considerably less weight than other headstock tuners
• - Tunes acoustic and electric guitars, basses, mandolins, banjos and other stringed instruments