4CH 720P@30fps(4Mbps) or 4CH 1080P@30fps(8Mbps) adopt standard H.264 compression, USB port*2,VGA*1, HDMI*1 resolution supports 1920x1080,1280×1024,1280×720,1024×768, Alarm input *4CH, Alarm output*1CH Max support 4CH 720P/4CH 1080P play back synchronously
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