| | - LCD pendulum simulation - Helpful for students - 10 beat settings with audible accent - Tone Generator for tuning any instrument, including wind & strings - Tempo: 30 - 250 times / minute - Accuracy: + - 0.2% - Reference Note: 1 octave ( CA-H / B4) - Reference Frequency: 4MHz - Pitch Shift: A435-445 - Earphone Jack: 2.5 mm diameter - Uses DC 9V battery ( not included) Click here to listen | | 
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