Gi?i m?i (bao g?m t?t c? gi?i nào có s? thay ??i, c?p nh?t m?i ho?c ?i?u ch?nh)You could both plot the minimum and utmost peak measurement values or report the waveform trace. And, with expandable microSD memory, recording classes can be done for as many as fourteen days. This recorder is a lot more potent with the addition of Recorder Function