Item Type: Metronome TunerMaterial: ABSColour: BlackPower Supply: 2 x AAA Batteries 3V 750mAh (delivered with supporting batteries)Scope of Application: For saxophone, flute, clarinet, wind instrument dedicated. Tuning Range: AO (27.5Hz) to C8 (4186Hz). 1WIDE TUNING RANGE: The tuning range is from A0 to C8, that is 27.5Hz to 4185Hz, which also has high accuracy. 23 PICKUP MODES: Has 3 pickup modes, including microphone pickup, pickup clip, and guitar cable direct pickup. 3FLEXIBLE USING: Suits for various instruments, such as guitar, violin, bass, ukulele, piano, saxophone, mandolin, etc. 4EASY OPERATION: The large LCD screen along with LED indicator makes it more convenient to operate in the dark. 5SIMPLE CARRYING: Light in weight and compact in size, the carrying is very easy, has a support stand in the back.