GUITARX X7 - Tuner, Metronome and Tone Generator for All Instruments - Chromatic, Guitar, Ukulele, Violin and Bass Modes 3 IN 1 BUILT TO LAST: Tuner, Metronome and Tone Generator. Strong and Resistant for Beginners and Professionals on the Road. FAST & 100% ACCURATE: Be ready in a few seconds. Fast tuning with the most advanced micro processor and high sensitivity sensor on the market. EASY-TO-READ DISPLAY: The color display is large, clear with excellent visibility under any lighting. EASY TO USE: Turn it on, tune it or set the tempo with time signature and note and youre done! No confusing information, you only see what you need to see! FOR 5 YEARS: If it's our fault we'll replace it or send you a full refund! 3 in 1: Tuner, metronome and sound generator built in Tuning accuracy: +/- 1 cent Tuning range: A0(27.5Hz)-C8(4186.0Hz) (great range for electric instruments) A4 (Pitch calibration): 430-450Hz (1Hz steps) Drop or flat tunings up to 2 semitones below standard pitch (guitar and bass mode) Bright and clear color display for perfect visibility Tuning modes: guitar, bass, violin, ukulele and chromatic Built to last, it&#039;s made strong for professionals on the road Built-in metronome has up to 10 beats presets Metronome:Tempo (30-250bpm/1bpm step), works in a variety of time signatures: 1/4, 2/4, 3/4, 4/4, 3/8, 6/8 and more with multiple rhythms available for each Tone Generator: Standard tone (2A-6A), Precision (&lt;1 cent) Earphone jack for headphone or amplifier 2X AAA batteries and manual included Dimensions: 4(W) x 2.5(H) x 0.6(D) Inches Weight: 2.9oz (82g) including battery