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)It is possible to both plot the minimal and utmost peak measurement values or report the waveform trace. And, with expandable microSD memory, recording classes can be achieved for approximately fourteen times. This recorder is even more highly effective While using the