YAMAHA Tuner Metronome Features Simultaneous Tuner and Metronome Ideal for Daily and Includes a Sound Back TDM-710IV (Ivory) Function, Practice,

Features a dual function that allows you to use the tuner and metronome at the same time. A large backlit LCD displays the note name and rhythm. It comes with various modes to support your practice, including "Soundback" (to develop listening and matching skills), "Track" (to aim for a stable pitch without relying on a tuner), and "Focus" (to grasp pitch tendencies more clearly). Meter markings for standard long 3-degree and standard short 3-degree pitches. Long battery life with 2 AAA batteries (batteries sold separately), made in Japan.