trong m?t kho?n th?i gian nh?t ??nh tr??c khi ?i?u ch?nh, t?t nh?t b?n nên dùng ph??ng pháp t? ??ng ho?c xây d?ng hàm ?? ki?m tra v?i d? li?u.And, with expandable micro SD memory, recording periods can be carried out for around fourteen times. This recorder is even more powerful Along with the addition of Recorder Occasion Detect, which make