Brand: MEIDEAL Tuning Range(HZ): A0(27.50Hz) - C8(4186.00Hz) Color: Black Turning Items: Chromatic / Guitar / Bass / Ukulele / Violin Display: Double Colors Backlighting Type: Tuner Battery: 1 x CR2032 Battery Weight: 28G / 0.99OZ Features:   - Metronome voice loud and clear, tuner with high sensitivity, more accurate, precise, convenient and rapid.  - Mini size and light weight, easy to carry with your instrument.  - Backlight LCD display and green LED indicator, ensures more accurate tuning.  - Automatic tuning, easy for operation.  - Comes with a 360 degree rotatable clip, freely adjust at your suitable angle, simple and practical.  - A perfect metronome & tuner for guitar, bass, violin, viola, cello, Key C Ukulele, Key D Ukulele, banjo and 4D banjo. Function: Meideal MT83W Digital Clip on Metronome Tuner Tuner: - Tuning Under Special Key: C(Chromatic), F, B, E - String Instrument Tuning: Guitar(G), Bass(B), Violin or Mandolin(V), Viola(V-), Cello(V_), Key C Ukulele(Uc), Key D Ukulele(Ud), Banjo, Another fixing string tuning method of Banjo. - A4 Frequency: 430 ~ 450Hz - Tuner Model: Clip - Semitone Flat: b, bb - Tolerance: + / - 1cent Metronome: - Tempo: 30 ~ 250 bpm - Beat Value: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 - Volume Adjustable: Maximum Volume; Medium Volume; Minimum Volume; Mute - Accuracy: + / - 1/1000 Place of Application: Guitar Note:   Under Key C(Chromatic) tuning mode, the tuner detects the vibration automatically and shows the corresponding note name. Under string instrument tuning mode, the tuner detects the vibration automatically and shows the string number and the corresponding note name. Product Weight: 28 G / 0.99 Ounces Product Dimensions (L*W*H): 64*32*14 MM / 2.52*1.26*0.55 Inches Package Weight: 51.0 G / 1.80 Ounces Package Dimensions (L*W*H): 130*100*20 MM / 5.12*3.94*0.79 Inches Retail Packaging: Yes, Blister Packaging Package Including:   1 x User Manual 1 x CR2032 Battery