4CH 4in1 HD DVR. HDMI Output x1 (1080P), VGA Output x1 (resolution up to 1920 x 1080) ; CVBS (BNC) Output x1; Audio Input x1; Audio Output x1. 8CH 4in1 HD DVR. 16CH 4in1 HD DVR. All 4 channels in High Resolution 1080P Recording and Display and with 1080P Video Playback.
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