1.0" Full Colored Display Clip-On Tuner for Guitar/Violin/Bass/Ukulele/Chromatic Small Compact Full Color Display Clip Tuner for Guitar/Violin/Bass/Ukulele/Chromatic Features: Color: Black , Blue Material: Plastic housing + electronic components Compatible Models : Guitar / Bass / Violin / Ukulele Application: Musical instrument tuner 1.0" full color display tuner 360 degrees rotation items of tuning: chromatic / guitar / bass / violin / ukulele Turning way: manual / automatic A4 frequency: 435~445Hz flat tuning: b, bb, bbb, bbbb Tempo: 30~250bpm powered by 1 x CR2032(Not included) Dimensions: 2.17 in x 1.97 in x 1.65 in (5.5 cm x 5.0 cm x 4.2 cm) Weight: 0.95 oz (27 g) Packing List 1 x Tuner