Mô tô n??c g?m vang, ??m Th? N?i d?y sóng tr??c gi?i ?ua hàng ??u th? gi?i InfographicYou are able to either plot the minimal and utmost peak measurement values or report the waveform trace. And, with expandable microSD memory, recording periods can be achieved for around 14 days. This recorder is much more strong Using the addition of Recorder