• A4 Frequency: 430-450Hz
• Tolerance: ±1 cent
• Tuning Items: Chromatic, Guitar, Bass,Ukulee,Violin
• Input Way：CLIP
• Tuning Range: 27.5-1760Hz
• Weight：29g                                                      
• Dimension：52*86*25MM
• Power：CR2032 Battery 1 piece