LG RNRZ-B520A IP 20ch, H.265, 4K NVR ดาวน์โหลดโบรชัวร์ Features Features IP 20ch Live/RecordingH.264 SupportedONVIF Profile S1 x HDMI, 1 x VGA4 x 3.5″ HDD (Max. 24TB)E-Zoom SupportedDC12V 5A