Features:Model: EMT-320.Product Name: Clip-backlit tuner metronome.Features: green backlight， beautifully compact， freely adjust the angle of rotation.Tuning Project: guitar， bass， violin， Ukulele， Chromatic (C， F， bB， bE optional).Pickup mode: MIC pickup or caught in the instrument pickup.Choose lower tone: b， bb， bbb， bbbb.Pickup range: 42Hz-1760Hz.A4 Frequency range: 430-450Hz.Tuning error: ?à 0.5 cents.Tempo: 30-250 beat / min.Tempo type: 0，1，2，3，4，5，6，7，8，9.A time when:Volume control: Mute， midrange， treble.Beat error: less than 0.5%.Tuning function: guitar， bass， violin， Ukulele， tempered and other standard pronunciation.Size: ?ü45mm ?á 48mm ?á 72mm.Weight: 55 grams.Color:black.Power supply: one CR2032 button battery.Package included:1 x tuner.