... easiest to install, setup, free support with electric plug,and avoid the dual network card settings,compared to other ... the system normalf) Student machines without coding,andcan exchange, plug and play, making the system simplerand convenient.6,Low-carbon, environmentally ... Frequency Response: 125Hz-10.0kHz (± 2dB), more than 16-bit linear sampling;The recording time ≥ 600 minutes;Direct drive VGA ...