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 can either plot the minimum and highest peak measurement values or report the waveform trace. And, with expandable microSD memory, recording classes can be achieved for around fourteen days. This recorder is a lot more highly effective While using the addition of