NVR3-16400(MM) 16CH 3MP NVR Input: 16 Channel (Via Network) Output: HDMI, VGA Mini Metal Case, 1 HDD Audio In/Out 100Mbps Network Features Video: Input: 16 Channel (Via Network) Output: VGA: 800x600/1024x768/1280x1024 HDMI: 1920x1080 Recording: Real-Time 16CH 3MP FPS: 400 (PAL) / 480 (NTSC) Resolution: 2048x1536 Playback: 4 Channels Simultaneously Audio: Input: 1 Channel (RCA) + Depend on IP Cameras Output: 1 Channel (RCA) 2 Way audio Storage: 1 x SATA (Up to 6TB) Network: RJ-45: 1000Mbps USB Port: 1 x USB2.0 1 x USB3.0 PTZ: Via ONVIF