Compact tuner specifically designed for guitar and bass guitar that delivers excellent performance and convenient functionality, and tunes 6 and 7 string guitars, and 4, 5, 6 string basses. It provides 12-note equal temperament scale, detection range for guitar (B1, 46.249 Hz – B6, 1975.54 Hz) and bass guitar (B0, 23.12 Hz – B5, 987.77 Hz), and reference tone, with detection accuracy of +/-1 cent and tone accuracy +/-1.5 cent. Tuner is equipped with large, high-precision meter-type display for stable tuning indication and great visibility, 28 mm built-in dynamic speaker and 1/4” in/out jacks that allow for leaving the amp plugged in your instrument. It also features Quinta-Flat Tuning mode for dropped tunings from to five semitones, automatic Meter Mode or manual Sound Out mode that produce a reference tone from the internal speaker, Bypass function, Auto Power Off function that saves battery, and Memory Backup function. Powered by two AA batteries (included). Dimensions: 100 x 67 x 17 mm. Weight: 88 g (with batteries).