Sau ?ó m?i l?a ch?n ra ??i bóng có ?u th? h?n ?? ??a ra d? ?oán c? th? chi ti?t v? k?t qu? tr?n ??u s?p t?i.You could possibly plot the least and highest peak measurement values or document the waveform trace. And, with expandable microSD memory, recording periods can be carried out for as much as fourteen times. This recorder is far more impre