Top-Ranking Design.Large 2.25 inch LCD Display.Convenient Operation.Sensitive and Accurate Tuning.Metronome Mode: Tempo range: 30-280bpm.Beat:0,1,2,3,4,5,6,7,8,9.Tuner Mode: A4.alibration:410-490Hz.Tuning Accuracy: 1 Cent.Chromatic.Tone Generator: Range:C,D,E,F,G,A,B,bD,bE,#F,bA,Bb and can change when A4=410-490.Color: Black.Power: 3V ( two pieces of No. 7 Battery ).Volume: 11.5 cm ( W ) x 6 cm ( H ) x 1.5 cm ( D ).Weight: